313312232000 has 56 divisors (see below), whose sum is σ = 775917762360. Its totient is φ = 125324889600.

The previous prime is 313312231961. The next prime is 313312232021. The reversal of 313312232000 is 232213313.

It can be written as a sum of positive squares in 4 ways, for example, as 4851958336 + 308460273664 = 69656^2 + 555392^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19574015 + ... + 19590014.

Almost surely, 2^313312232000 is an apocalyptic number.

It is an amenable number.

313312232000 is an abundant number, since it is smaller than the sum of its proper divisors (462605530360).

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

313312232000 is an equidigital number, since it uses as much as digits as its factorization.

313312232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39164056 (or 39164036 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 313312232000 its reverse (232213313), we get a palindrome (313544445313).

The spelling of 313312232000 in words is "three hundred thirteen billion, three hundred twelve million, two hundred thirty-two thousand".