318263012 has 12 divisors (see below), whose sum is σ = 557598636. Its totient is φ = 158949120.

The previous prime is 318263009. The next prime is 318263017. The reversal of 318263012 is 210362813.

It can be written as a sum of positive squares in 2 ways, for example, as 14945956 + 303317056 = 3866^2 + 17416^2 .

It is not an unprimeable number, because it can be changed into a prime (318263017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41633 + ... + 48680.

It is an arithmetic number, because the mean of its divisors is an integer number (46466553).

Almost surely, 2^318263012 is an apocalyptic number.

It is an amenable number.

318263012 is a deficient number, since it is larger than the sum of its proper divisors (239335624).

318263012 is a wasteful number, since it uses less digits than its factorization.

318263012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91198 (or 91196 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 318263012 is about 17839.9274662203. The cubic root of 318263012 is about 682.7505461093.

The spelling of 318263012 in words is "three hundred eighteen million, two hundred sixty-three thousand, twelve".