318631352 has 48 divisors (see below), whose sum is σ = 666524040. Its totient is φ = 141950592.

The previous prime is 318631337. The next prime is 318631363. The reversal of 318631352 is 253136813.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85643 + ... + 89285.

Almost surely, 2^318631352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318631352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333262020).

318631352 is an abundant number, since it is smaller than the sum of its proper divisors (347892688).

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

318631352 is a wasteful number, since it uses less digits than its factorization.

318631352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720 (or 3687 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 318631352 is about 17850.2479534599. The cubic root of 318631352 is about 683.0138371306.

The spelling of 318631352 in words is "three hundred eighteen million, six hundred thirty-one thousand, three hundred fifty-two".