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31101234011013 = 317777197846577
BaseRepresentation
bin1110001001001010100100…
…00000010101101110000101
311002010020201110202210002110
413010211102000111232011
513034030311401323023
6150051413141531233
76356663400134415
oct704452200255605
9132106643683073
1031101234011013
119a00a60878861
1235a3764413b19
131447aaba8954a
147974446b8645
1538e033c82a93
hex1c4952015b85

31101234011013 has 16 divisors (see below), whose sum is σ = 43908195035520. Its totient is φ = 19514246194176.

The previous prime is 31101234010981. The next prime is 31101234011017. The reversal of 31101234011013 is 31011043210113.

It is not a de Polignac number, because 31101234011013 - 25 = 31101234010981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31101234011017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40381 + ... + 7886957.

It is an arithmetic number, because the mean of its divisors is an integer number (2744262189720).

Almost surely, 231101234011013 is an apocalyptic number.

It is an amenable number.

31101234011013 is a deficient number, since it is larger than the sum of its proper divisors (12806961024507).

31101234011013 is a wasteful number, since it uses less digits than its factorization.

31101234011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7924316.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 31101234011013 its reverse (31011043210113), we get a palindrome (62112277221126).

The spelling of 31101234011013 in words is "thirty-one trillion, one hundred one billion, two hundred thirty-four million, eleven thousand, thirteen".

Divisors: 1 3 17 51 77719 233157 1321223 3963669 7846577 23539731 133391809 400175427 609828117863 1829484353589 10367078003671 31101234011013