317358974320 has 80 divisors (see below), whose sum is σ = 781583636160. Its totient is φ = 119427305472.

The previous prime is 317358974293. The next prime is 317358974329. The reversal of 317358974320 is 23479853713.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317358974329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3357466 + ... + 3450694.

It is an arithmetic number, because the mean of its divisors is an integer number (9769795452).

Almost surely, 2^317358974320 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 317358974320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390791818080).

317358974320 is an abundant number, since it is smaller than the sum of its proper divisors (464224661840).

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

317358974320 is a wasteful number, since it uses less digits than its factorization.

317358974320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95762 (or 95756 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 317358974320 in words is "three hundred seventeen billion, three hundred fifty-eight million, nine hundred seventy-four thousand, three hundred twenty".