318319042 has 16 divisors (see below), whose sum is σ = 486233280. Its totient is φ = 156248752.

The previous prime is 318319019. The next prime is 318319069. The reversal of 318319042 is 240913813.

It is a junction number, because it is equal to n+sod(n) for n = 318318995 and 318319013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118203 + ... + 120865.

It is an arithmetic number, because the mean of its divisors is an integer number (30389580).

Almost surely, 2^318319042 is an apocalyptic number.

318319042 is a deficient number, since it is larger than the sum of its proper divisors (167914238).

318319042 is a wasteful number, since it uses less digits than its factorization.

318319042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 318319042 is about 17841.4977510298. The cubic root of 318319042 is about 682.7906096908.

The spelling of 318319042 in words is "three hundred eighteen million, three hundred nineteen thousand, forty-two".