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31301123122106 = 273651833289067
BaseRepresentation
bin1110001110111110111000…
…10100110010001110111010
311002211100200002101201121022
413013133130110302032322
513100314200004401411
6150323312031142442
76410301003425225
oct707373424621672
9132740602351538
1031301123122106
119a78805a90532
12361644a974a22
1314608b6121886
147a2da7b725bc
15394332600edb
hex1c77dc5323ba

31301123122106 has 16 divisors (see below), whose sum is σ = 47595603089664. Its totient is φ = 15435928800864.

The previous prime is 31301123122063. The next prime is 31301123122121. The reversal of 31301123122106 is 60122132110313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7872185 + ... + 11161251.

It is an arithmetic number, because the mean of its divisors is an integer number (2974725193104).

Almost surely, 231301123122106 is an apocalyptic number.

31301123122106 is a deficient number, since it is larger than the sum of its proper divisors (16294479967558).

31301123122106 is a wasteful number, since it uses less digits than its factorization.

31301123122106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354325.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 31301123122106 its reverse (60122132110313), we get a palindrome (91423255232419).

The spelling of 31301123122106 in words is "thirty-one trillion, three hundred one billion, one hundred twenty-three million, one hundred twenty-two thousand, one hundred six".

Divisors: 1 2 73 146 65183 130366 3289067 4758359 6578134 9516718 240101891 480203782 214391254261 428782508522 15650561561053 31301123122106