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12313013102131 = 74753706142863
BaseRepresentation
bin1011001100101101100011…
…0001011010011000110011
31121121010001001110012202011
42303023120301122120303
53103214022323232011
642104304203103351
72410404641332210
oct263133061323063
947533031405664
1012313013102131
113a17a12995365
12146a417211b57
136b415c529a11
14307d4b0dab07
15165452c6d621
hexb32d8c5a633

12313013102131 has 16 divisors (see below), whose sum is σ = 14642578427904. Its totient is φ = 10134562355424.

The previous prime is 12313013102123. The next prime is 12313013102183. The reversal of 12313013102131 is 13120131031321.

12313013102131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12313013102131 - 23 = 12313013102123 is a prime.

It is a super-5 number, since 5×123130131021315 (a number of 67 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (12313017102131) 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, 353053995 + ... + 353088868.

It is an arithmetic number, because the mean of its divisors is an integer number (915161151744).

Almost surely, 212313013102131 is an apocalyptic number.

12313013102131 is a deficient number, since it is larger than the sum of its proper divisors (2329565325773).

12313013102131 is an equidigital number, since it uses as much as digits as its factorization.

12313013102131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706142970.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 12313013102131 its reverse (13120131031321), we get a palindrome (25433144133452).

The spelling of 12313013102131 in words is "twelve trillion, three hundred thirteen billion, thirteen million, one hundred two thousand, one hundred thirty-one".

Divisors: 1 7 47 53 329 371 2491 17437 706142863 4943000041 33188714561 37425571739 232321001927 261979002173 1759001871733 12313013102131