313655507072 has 32 divisors (see below), whose sum is σ = 629421641820. Its totient is φ = 155683016704.

The previous prime is 313655507059. The next prime is 313655507107. The reversal of 313655507072 is 270705556313.

It can be written as a sum of positive squares in 2 ways, for example, as 260042883136 + 53612623936 = 509944^2 + 231544^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8925653 + ... + 8960724.

Almost surely, 2^313655507072 is an apocalyptic number.

313655507072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

313655507072 is an abundant number, since it is smaller than the sum of its proper divisors (315766134748).

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

313655507072 is a wasteful number, since it uses less digits than its factorization.

313655507072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17886528 (or 17886516 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 44.

The spelling of 313655507072 in words is "three hundred thirteen billion, six hundred fifty-five million, five hundred seven thousand, seventy-two".