317145488 has 40 divisors (see below), whose sum is σ = 672266496. Its totient is φ = 143740800.

The previous prime is 317145467. The next prime is 317145497. The reversal of 317145488 is 884541713.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63233 + ... + 68063.

Almost surely, 2^317145488 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 317145488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336133248).

317145488 is an abundant number, since it is smaller than the sum of its proper divisors (355121008).

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

317145488 is a wasteful number, since it uses less digits than its factorization.

317145488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223 (or 5217 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 317145488 is about 17808.5790561740. The cubic root of 317145488 is about 681.9504898944.

The spelling of 317145488 in words is "three hundred seventeen million, one hundred forty-five thousand, four hundred eighty-eight".