318978130 has 32 divisors (see below), whose sum is σ = 583982784. Its totient is φ = 125424576.

The previous prime is 318978119. The next prime is 318978139. The reversal of 318978130 is 31879813.

It is not an unprimeable number, because it can be changed into a prime (318978139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187564 + ... + 189256.

It is an arithmetic number, because the mean of its divisors is an integer number (18249462).

Almost surely, 2^318978130 is an apocalyptic number.

318978130 is a deficient number, since it is larger than the sum of its proper divisors (265004654).

318978130 is a wasteful number, since it uses less digits than its factorization.

318978130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 318978130 is about 17859.9588465371. The cubic root of 318978130 is about 683.2615301644.

The spelling of 318978130 in words is "three hundred eighteen million, nine hundred seventy-eight thousand, one hundred thirty".