318320904312 has 96 divisors (see below), whose sum is σ = 864365748480. Its totient is φ = 105830786880.

The previous prime is 318320904311. The next prime is 318320904323. The reversal of 318320904312 is 213409023813.

318320904312 is a `hidden beast` number, since 3 + 18 + 3 + 209 + 0 + 431 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318320904311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71322193 + ... + 71326655.

It is an arithmetic number, because the mean of its divisors is an integer number (9003809880).

Almost surely, 2^318320904312 is an apocalyptic number.

It is an amenable number.

318320904312 is an abundant number, since it is smaller than the sum of its proper divisors (546044844168).

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

318320904312 is a wasteful number, since it uses less digits than its factorization.

318320904312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833 (or 6826 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 318320904312 in words is "three hundred eighteen billion, three hundred twenty million, nine hundred four thousand, three hundred twelve".