23131030131 has 24 divisors (see below), whose sum is σ = 36523206720. Its totient is φ = 13990225200.

The previous prime is 23131030099. The next prime is 23131030133. The reversal of 23131030131 is 13103013132.

It is a happy number.

23131030131 is a `hidden beast` number, since 23 + 1 + 310 + 301 + 31 = 666.

It is not a de Polignac number, because 23131030131 - 2⁵ = 23131030099 is a prime.

It is a super-2 number, since 2×23131030131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23131030133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189321 + ... + 286538.

It is an arithmetic number, because the mean of its divisors is an integer number (1521800280).

Almost surely, 2^23131030131 is an apocalyptic number.

23131030131 is a deficient number, since it is larger than the sum of its proper divisors (13392176589).

23131030131 is a wasteful number, since it uses less digits than its factorization.

23131030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476367 (or 476364 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 23131030131 its reverse (13103013132), we get a palindrome (36234043263).

The spelling of 23131030131 in words is "twenty-three billion, one hundred thirty-one million, thirty thousand, one hundred thirty-one".