23131130131 has 2 divisors, whose sum is σ = 23131130132. Its totient is φ = 23131130130.

The previous prime is 23131130111. The next prime is 23131130161. The reversal of 23131130131 is 13103113132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23131130131 is a prime.

It is a super-2 number, since 2×23131130131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23131130099 and 23131130108.

It is not a weakly prime, because it can be changed into another prime (23131130111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565565065 + 11565565066.

It is an arithmetic number, because the mean of its divisors is an integer number (11565565066).

Almost surely, 2^23131130131 is an apocalyptic number.

23131130131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131130131 is an equidigital number, since it uses as much as digits as its factorization.

23131130131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 23131130131 its reverse (13103113132), we get a palindrome (36234243263).

The spelling of 23131130131 in words is "twenty-three billion, one hundred thirty-one million, one hundred thirty thousand, one hundred thirty-one".