23131031110 has 64 divisors (see below), whose sum is σ = 48285331200. Its totient is φ = 7889616000.

The previous prime is 23131031087. The next prime is 23131031117. The reversal of 23131031110 is 1113013132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131031117) 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 in 31 ways as a sum of consecutive naturals, for example, 156301 + ... + 265879.

It is an arithmetic number, because the mean of its divisors is an integer number (754458300).

Almost surely, 2^23131031110 is an apocalyptic number.

23131031110 is an abundant number, since it is smaller than the sum of its proper divisors (25154300090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23131031110 is a wasteful number, since it uses less digits than its factorization.

23131031110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109717.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 23131031110 its reverse (1113013132), we get a palindrome (24244044242).

The spelling of 23131031110 in words is "twenty-three billion, one hundred thirty-one million, thirty-one thousand, one hundred ten".