317102320 has 40 divisors (see below), whose sum is σ = 741988224. Its totient is φ = 126028032.

The previous prime is 317102273. The next prime is 317102329. The reversal of 317102320 is 23201713.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317102329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64 + ... + 25183.

Almost surely, 2^317102320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317102320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370994112).

317102320 is an abundant number, since it is smaller than the sum of its proper divisors (424885904).

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

317102320 is a wasteful number, since it uses less digits than its factorization.

317102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25417 (or 25411 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 317102320 is about 17807.3670148060. The cubic root of 317102320 is about 681.9195474451.

The spelling of 317102320 in words is "three hundred seventeen million, one hundred two thousand, three hundred twenty".