231313118052 has 12 divisors (see below), whose sum is σ = 539730608816. Its totient is φ = 77104372680.

The previous prime is 231313118033. The next prime is 231313118053. The reversal of 231313118052 is 250811313132.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (231313118053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9638046574 + ... + 9638046597.

Almost surely, 2^231313118052 is an apocalyptic number.

It is an amenable number.

231313118052 is an abundant number, since it is smaller than the sum of its proper divisors (308417490764).

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

231313118052 is a wasteful number, since it uses less digits than its factorization.

231313118052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19276093178 (or 19276093176 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 231313118052 in words is "two hundred thirty-one billion, three hundred thirteen million, one hundred eighteen thousand, fifty-two".