317681216 has 28 divisors (see below), whose sum is σ = 663580080. Its totient is φ = 150480000.

The previous prime is 317681209. The next prime is 317681239. The reversal of 317681216 is 612186713.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129410 + ... + 131841.

Almost surely, 2^317681216 is an apocalyptic number.

It is an amenable number.

317681216 is an abundant number, since it is smaller than the sum of its proper divisors (345898864).

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

317681216 is a wasteful number, since it uses less digits than its factorization.

317681216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261282 (or 261272 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 317681216 is about 17823.6139994110. The cubic root of 317681216 is about 682.3342616602.

The spelling of 317681216 in words is "three hundred seventeen million, six hundred eighty-one thousand, two hundred sixteen".