317142888 has 64 divisors (see below), whose sum is σ = 859066560. Its totient is φ = 97176576.

The previous prime is 317142827. The next prime is 317142901. The reversal of 317142888 is 888241713.

It is a super-2 number, since 2×317142888² = 201159222817961088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8506 + ... + 26582.

It is an arithmetic number, because the mean of its divisors is an integer number (13422915).

Almost surely, 2^317142888 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 317142888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429533280).

317142888 is an abundant number, since it is smaller than the sum of its proper divisors (541923672).

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

317142888 is a wasteful number, since it uses less digits than its factorization.

317142888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18146 (or 18142 counting only the distinct ones).

The product of its digits is 86016, while the sum is 42.

The square root of 317142888 is about 17808.5060574996. The cubic root of 317142888 is about 681.9486263163.

The spelling of 317142888 in words is "three hundred seventeen million, one hundred forty-two thousand, eight hundred eighty-eight".