23131552113 has 24 divisors (see below), whose sum is σ = 33742703592. Its totient is φ = 15268796928.

The previous prime is 23131552097. The next prime is 23131552133. The reversal of 23131552113 is 31125513132.

23131552113 is a `hidden beast` number, since 2 + 3 + 131 + 5 + 521 + 1 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5925458529 + 17206093584 = 76977^2 + 131172^2 .

It is not a de Polignac number, because 23131552113 - 2⁴ = 23131552097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23131552133) 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, 1018995 + ... + 1041447.

It is an arithmetic number, because the mean of its divisors is an integer number (1405945983).

Almost surely, 2^23131552113 is an apocalyptic number.

It is an amenable number.

23131552113 is a deficient number, since it is larger than the sum of its proper divisors (10611151479).

23131552113 is a wasteful number, since it uses less digits than its factorization.

23131552113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23585 (or 23582 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The spelling of 23131552113 in words is "twenty-three billion, one hundred thirty-one million, five hundred fifty-two thousand, one hundred thirteen".