313222625388 has 36 divisors (see below), whose sum is σ = 791782006288. Its totient is φ = 104404269600.

The previous prime is 313222625381. The next prime is 313222625447. The reversal of 313222625388 is 883526222313.

313222625388 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 2 + 262 + 5 + 388 = 666.

313222625388 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (313222625381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1210545 + ... + 1446327.

Almost surely, 2^313222625388 is an apocalyptic number.

It is an amenable number.

313222625388 is an abundant number, since it is smaller than the sum of its proper divisors (478559380900).

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

313222625388 is a wasteful number, since it uses less digits than its factorization.

313222625388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272694 (or 272689 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 313222625388 in words is "three hundred thirteen billion, two hundred twenty-two million, six hundred twenty-five thousand, three hundred eighty-eight".