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31000104141 = 3412511004117
BaseRepresentation
bin11100110111110000…
…000000110011001101
32222000110011110100020
4130313300000303031
51001442011313031
622124035452353
72145132352236
oct346760006315
988013143306
1031000104141
1112168829086
126011a570b9
132c0063a7b6
1417011c208d
15c1682b096
hex737c00ccd

31000104141 has 16 divisors (see below), whose sum is σ = 42510339648. Its totient is φ = 20082320000.

The previous prime is 31000104119. The next prime is 31000104143. The reversal of 31000104141 is 14140100013.

It is a cyclic number.

It is not a de Polignac number, because 31000104141 - 26 = 31000104077 is a prime.

It is a super-2 number, since 2×310001041412 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31000104141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31000104143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471186 + ... + 532931.

It is an arithmetic number, because the mean of its divisors is an integer number (2656896228).

Almost surely, 231000104141 is an apocalyptic number.

It is an amenable number.

31000104141 is a deficient number, since it is larger than the sum of its proper divisors (11510235507).

31000104141 is a wasteful number, since it uses less digits than its factorization.

31000104141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004412.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 31000104141 its reverse (14140100013), we get a palindrome (45140204154).

The spelling of 31000104141 in words is "thirty-one billion, one hundred four thousand, one hundred forty-one".

Divisors: 1 3 41 123 251 753 10291 30873 1004117 3012351 41168797 123506391 252033367 756100101 10333368047 31000104141