313123110222131 has 16 divisors (see below), whose sum is σ = 341678982647808. Its totient is φ = 284582264366400.

The previous prime is 313123110222113. The next prime is 313123110222133. The reversal of 313123110222131 is 131222011321313.

It is a de Polignac number, because none of the positive numbers 2^k-313123110222131 is a prime.

It is a super-2 number, since 2×313123110222131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313123110222131.

It is not an unprimeable number, because it can be changed into a prime (313123110222133) 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, 2017897310 + ... + 2018052476.

It is an arithmetic number, because the mean of its divisors is an integer number (21354936415488).

Almost surely, 2^{313123110222131} is an apocalyptic number.

313123110222131 is a deficient number, since it is larger than the sum of its proper divisors (28555872425677).

313123110222131 is a wasteful number, since it uses less digits than its factorization.

313123110222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202402.

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

Adding to 313123110222131 its reverse (131222011321313), we get a palindrome (444345121543444).

The spelling of 313123110222131 in words is "three hundred thirteen trillion, one hundred twenty-three billion, one hundred ten million, two hundred twenty-two thousand, one hundred thirty-one".