23302431131 has 32 divisors (see below), whose sum is σ = 28804838400. Its totient is φ = 18778048128.

The previous prime is 23302431091. The next prime is 23302431133. The reversal of 23302431131 is 13113420332.

It is not a de Polignac number, because 23302431131 - 2²⁶ = 23235322267 is a prime.

It is a super-2 number, since 2×23302431131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23302431097 and 23302431106.

It is not an unprimeable number, because it can be changed into a prime (23302431133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7596260 + ... + 7599326.

It is an arithmetic number, because the mean of its divisors is an integer number (900151200).

Almost surely, 2^23302431131 is an apocalyptic number.

23302431131 is a deficient number, since it is larger than the sum of its proper divisors (5502407269).

23302431131 is a wasteful number, since it uses less digits than its factorization.

23302431131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408 (or 4394 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 23302431131 its reverse (13113420332), we get a palindrome (36415851463).

The spelling of 23302431131 in words is "twenty-three billion, three hundred two million, four hundred thirty-one thousand, one hundred thirty-one".