231313332000 has 96 divisors (see below), whose sum is σ = 757782514944. Its totient is φ = 61683552000.

The previous prime is 231313331999. The next prime is 231313332007. The reversal of 231313332000 is 233313132.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (231313332007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9626056 + ... + 9650055.

It is an arithmetic number, because the mean of its divisors is an integer number (7893567864).

Almost surely, 2^231313332000 is an apocalyptic number.

231313332000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231313332000 is an abundant number, since it is smaller than the sum of its proper divisors (526469182944).

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

231313332000 is a wasteful number, since it uses less digits than its factorization.

231313332000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19276139 (or 19276121 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 231313332000 its reverse (233313132), we get a palindrome (231546645132).

The spelling of 231313332000 in words is "two hundred thirty-one billion, three hundred thirteen million, three hundred thirty-two thousand".