313400321552 has 40 divisors (see below), whose sum is σ = 629401715712. Its totient is φ = 151016025600.

The previous prime is 313400321543. The next prime is 313400321567. The reversal of 313400321552 is 255123004313.

It is a happy 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, 1191368 + ... + 1430439.

Almost surely, 2^313400321552 is an apocalyptic number.

It is an amenable number.

313400321552 is an abundant number, since it is smaller than the sum of its proper divisors (316001394160).

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

313400321552 is a wasteful number, since it uses less digits than its factorization.

313400321552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622087 (or 2622081 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 313400321552 its reverse (255123004313), we get a palindrome (568523325865).

The spelling of 313400321552 in words is "three hundred thirteen billion, four hundred million, three hundred twenty-one thousand, five hundred fifty-two".