317216418 has 16 divisors (see below), whose sum is σ = 649187616. Its totient is φ = 103279680.

The previous prime is 317216407. The next prime is 317216453. The reversal of 317216418 is 814612713.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614503 + ... + 615018.

It is an arithmetic number, because the mean of its divisors is an integer number (40574226).

Almost surely, 2^317216418 is an apocalyptic number.

317216418 is an abundant number, since it is smaller than the sum of its proper divisors (331971198).

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

317216418 is a wasteful number, since it uses less digits than its factorization.

317216418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229569.

The product of its digits is 8064, while the sum is 33.

The square root of 317216418 is about 17810.5704007480. The cubic root of 317216418 is about 682.0013258087.

The spelling of 317216418 in words is "three hundred seventeen million, two hundred sixteen thousand, four hundred eighteen".