23131022113 has 2 divisors, whose sum is σ = 23131022114. Its totient is φ = 23131022112.

The previous prime is 23131022027. The next prime is 23131022177. The reversal of 23131022113 is 31122013132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12827148049 + 10303874064 = 113257^2 + 101508^2 .

It is a cyclic number.

It is not a de Polignac number, because 23131022113 - 2²⁹ = 22594151201 is a prime.

It is not a weakly prime, because it can be changed into another prime (23131022413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565511056 + 11565511057.

It is an arithmetic number, because the mean of its divisors is an integer number (11565511057).

Almost surely, 2^23131022113 is an apocalyptic number.

It is an amenable number.

23131022113 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131022113 is an equidigital number, since it uses as much as digits as its factorization.

23131022113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23131022113 its reverse (31122013132), we get a palindrome (54253035245).

The spelling of 23131022113 in words is "twenty-three billion, one hundred thirty-one million, twenty-two thousand, one hundred thirteen".