3131000235113 has 16 divisors (see below), whose sum is σ = 3276101493504. Its totient is φ = 2989191680640.

The previous prime is 3131000235101. The next prime is 3131000235133. The reversal of 3131000235113 is 3115320001313.

It is a cyclic number.

It is not a de Polignac number, because 3131000235113 - 2²⁴ = 3130983457897 is a prime.

It is a super-2 number, since 2×3131000235113² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131000235133) 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, 13036631 + ... + 13274627.

It is an arithmetic number, because the mean of its divisors is an integer number (204756343344).

Almost surely, 2^{3131000235113} is an apocalyptic number.

It is an amenable number.

3131000235113 is a deficient number, since it is larger than the sum of its proper divisors (145101258391).

3131000235113 is a wasteful number, since it uses less digits than its factorization.

3131000235113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244912.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 3131000235113 its reverse (3115320001313), we get a palindrome (6246320236426).

The spelling of 3131000235113 in words is "three trillion, one hundred thirty-one billion, two hundred thirty-five thousand, one hundred thirteen".