317131811004 has 96 divisors (see below), whose sum is σ = 802495330560. Its totient is φ = 97107766272.

The previous prime is 317131810909. The next prime is 317131811011. The reversal of 317131811004 is 400118131713.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1383379 + ... + 1596245.

It is an arithmetic number, because the mean of its divisors is an integer number (8359326360).

Almost surely, 2^317131811004 is an apocalyptic number.

317131811004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317131811004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401247665280).

317131811004 is an abundant number, since it is smaller than the sum of its proper divisors (485363519556).

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

317131811004 is a wasteful number, since it uses less digits than its factorization.

317131811004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213067 (or 213065 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

Adding to 317131811004 its reverse (400118131713), we get a palindrome (717249942717).

The spelling of 317131811004 in words is "three hundred seventeen billion, one hundred thirty-one million, eight hundred eleven thousand, four".