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22131131030 = 25195397139163
BaseRepresentation
bin10100100111000111…
…100100001010010110
32010010100121221102122
4110213013210022112
5330311032143110
614100014535542
71412300336621
oct244707441226
963110557378
1022131131030
1194274a0338
1243578075b2
132119075508
1410dd356db8
15897dd2255
hex5271e4296

22131131030 has 128 divisors (see below), whose sum is σ = 43741555200. Its totient is φ = 8035282944.

The previous prime is 22131131017. The next prime is 22131131119. The reversal of 22131131030 is 3013113122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 135773729 + ... + 135773891.

It is an arithmetic number, because the mean of its divisors is an integer number (341730900).

Almost surely, 222131131030 is an apocalyptic number.

22131131030 is a deficient number, since it is larger than the sum of its proper divisors (21610424170).

22131131030 is a wasteful number, since it uses less digits than its factorization.

22131131030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 22131131030 its reverse (3013113122), we get a palindrome (25144244152).

The spelling of 22131131030 in words is "twenty-two billion, one hundred thirty-one million, one hundred thirty-one thousand, thirty".

Divisors: 1 2 5 10 19 38 53 95 97 106 139 163 190 194 265 278 326 485 530 695 815 970 1007 1390 1630 1843 2014 2641 3097 3686 5035 5141 5282 6194 7367 8639 9215 10070 10282 13205 13483 14734 15485 15811 17278 18430 22657 25705 26410 26966 30970 31622 36835 43195 45314 51410 67415 73670 79055 86390 97679 113285 134830 139973 158110 164141 195358 226570 256177 279946 300409 328282 430483 488395 512354 600818 699865 714599 820705 837983 860966 976790 1200821 1280885 1399730 1429198 1502045 1641410 1675966 2152415 2197729 2401642 2561770 3004090 3572995 4189915 4304830 4395458 6004105 7145990 8379830 10988645 12008210 13577381 15921677 21977290 22815599 27154762 31843354 41756851 45631198 67886905 79608385 83513702 114077995 116479637 135773810 159216770 208784255 228155990 232959274 417568510 582398185 1164796370 2213113103 4426226206 11065565515 22131131030