23131023331 has 8 divisors (see below), whose sum is σ = 25261183584. Its totient is φ = 21050984640.

The previous prime is 23131023323. The next prime is 23131023343. The reversal of 23131023331 is 13332013132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23131023331 - 2³ = 23131023323 is a prime.

It is a super-2 number, since 2×23131023331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23131023431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12529426 + ... + 12531271.

It is an arithmetic number, because the mean of its divisors is an integer number (3157647948).

Almost surely, 2^23131023331 is an apocalyptic number.

23131023331 is a deficient number, since it is larger than the sum of its proper divisors (2130160253).

23131023331 is a wasteful number, since it uses less digits than its factorization.

23131023331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25060781.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23131023331 its reverse (13332013132), we get a palindrome (36463036463).

The spelling of 23131023331 in words is "twenty-three billion, one hundred thirty-one million, twenty-three thousand, three hundred thirty-one".