313213133120 has 56 divisors (see below), whose sum is σ = 745895504904. Its totient is φ = 125275723776.

The previous prime is 313213133087. The next prime is 313213133131. The reversal of 313213133120 is 21331312313.

It can be written as a sum of positive squares in 4 ways, for example, as 383219776 + 312829913344 = 19576^2 + 559312^2 .

It is a congruent number.

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, 5428262 + ... + 5485658.

Almost surely, 2^313213133120 is an apocalyptic number.

It is an amenable number.

313213133120 is an abundant number, since it is smaller than the sum of its proper divisors (432682371784).

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

313213133120 is a wasteful number, since it uses less digits than its factorization.

313213133120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74467 (or 74457 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 313213133120 its reverse (21331312313), we get a palindrome (334544445433).

The spelling of 313213133120 in words is "three hundred thirteen billion, two hundred thirteen million, one hundred thirty-three thousand, one hundred twenty".