231574270266564 has 12 divisors (see below), whose sum is σ = 540339963955344. Its totient is φ = 77191423422184.

The previous prime is 231574270266553. The next prime is 231574270266601. The reversal of 231574270266564 is 465662072475132.

It is a happy number.

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

It is a super-3 number, since 3×231574270266564³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231574270266498 and 231574270266507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9648927927762 + ... + 9648927927785.

It is an arithmetic number, because the mean of its divisors is an integer number (45028330329612).

Almost surely, 2^{231574270266564} is an apocalyptic number.

It is an amenable number.

231574270266564 is an abundant number, since it is smaller than the sum of its proper divisors (308765693688780).

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

231574270266564 is a wasteful number, since it uses less digits than its factorization.

231574270266564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19297855855554 (or 19297855855552 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 60.

The spelling of 231574270266564 in words is "two hundred thirty-one trillion, five hundred seventy-four billion, two hundred seventy million, two hundred sixty-six thousand, five hundred sixty-four".