23131033112 has 16 divisors (see below), whose sum is σ = 47313477000. Its totient is φ = 10514105920.

The previous prime is 23131033087. The next prime is 23131033141. The reversal of 23131033112 is 21133013132.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 131426237 + ... + 131426412.

Almost surely, 2^23131033112 is an apocalyptic number.

23131033112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23131033112 is an abundant number, since it is smaller than the sum of its proper divisors (24182443888).

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

23131033112 is a wasteful number, since it uses less digits than its factorization.

23131033112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262852666 (or 262852662 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23131033112 its reverse (21133013132), we get a palindrome (44264046244).

The spelling of 23131033112 in words is "twenty-three billion, one hundred thirty-one million, thirty-three thousand, one hundred twelve".