231313111032 has 64 divisors (see below), whose sum is σ = 609065153280. Its totient is φ = 73062716672.

The previous prime is 231313111027. The next prime is 231313111049. The reversal of 231313111032 is 230111313132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1899093 + ... + 2017220.

It is an arithmetic number, because the mean of its divisors is an integer number (9516643020).

Almost surely, 2^231313111032 is an apocalyptic number.

It is an amenable number.

231313111032 is an abundant number, since it is smaller than the sum of its proper divisors (377752042248).

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

231313111032 is a wasteful number, since it uses less digits than its factorization.

231313111032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916452 (or 3916448 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 231313111032 its reverse (230111313132), we get a palindrome (461424424164).

The spelling of 231313111032 in words is "two hundred thirty-one billion, three hundred thirteen million, one hundred eleven thousand, thirty-two".