317104706520 has 448 divisors, whose sum is σ = 1226083680000. Its totient is φ = 72272196864.

The previous prime is 317104706447. The next prime is 317104706591. The reversal of 317104706520 is 25607401713.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 77359431 + ... + 77363529.

Almost surely, 2^317104706520 is an apocalyptic number.

317104706520 is a gapful number since it is divisible by the number (30) 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 317104706520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613041840000).

317104706520 is an abundant number, since it is smaller than the sum of its proper divisors (908978973480).

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

317104706520 is a wasteful number, since it uses less digits than its factorization.

317104706520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514 (or 4495 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 317104706520 in words is "three hundred seventeen billion, one hundred four million, seven hundred six thousand, five hundred twenty".