317457713820 has 48 divisors (see below), whose sum is σ = 957257108640. Its totient is φ = 78143437056.

The previous prime is 317457713791. The next prime is 317457713843. The reversal of 317457713820 is 28317754713.

It is a self number, because there is not a number n which added to its sum of digits gives 317457713820.

It is a congruent number.

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, 203497755 + ... + 203499314.

It is an arithmetic number, because the mean of its divisors is an integer number (19942856430).

Almost surely, 2^317457713820 is an apocalyptic number.

317457713820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

317457713820 is an abundant number, since it is smaller than the sum of its proper divisors (639799394820).

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

317457713820 is a wasteful number, since it uses less digits than its factorization.

317457713820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406997094 (or 406997092 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 317457713820 in words is "three hundred seventeen billion, four hundred fifty-seven million, seven hundred thirteen thousand, eight hundred twenty".