317681328 has 40 divisors (see below), whose sum is σ = 823673968. Its totient is φ = 105507072.

The previous prime is 317681321. The next prime is 317681333. The reversal of 317681328 is 823186713.

It is not an unprimeable number, because it can be changed into a prime (317681321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350 + ... + 25242.

Almost surely, 2^317681328 is an apocalyptic number.

It is an amenable number.

317681328 is an abundant number, since it is smaller than the sum of its proper divisors (505992640).

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

317681328 is a wasteful number, since it uses less digits than its factorization.

317681328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24181 (or 24175 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 317681328 is about 17823.6171413100. The cubic root of 317681328 is about 682.3343418469.

The spelling of 317681328 in words is "three hundred seventeen million, six hundred eighty-one thousand, three hundred twenty-eight".