317009493504 has 320 divisors, whose sum is σ = 1036051188480. Its totient is φ = 94902312960.

The previous prime is 317009493497. The next prime is 317009493509. The reversal of 317009493504 is 405394900713.

317009493504 is a `hidden beast` number, since 31 + 70 + 0 + 9 + 49 + 3 + 504 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 317009493504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317009493509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12608754 + ... + 12633870.

It is an arithmetic number, because the mean of its divisors is an integer number (3237659964).

Almost surely, 2^317009493504 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 317009493504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518025594240).

317009493504 is an abundant number, since it is smaller than the sum of its proper divisors (719041694976).

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

317009493504 is a wasteful number, since it uses less digits than its factorization.

317009493504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25238 (or 25216 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 317009493504 in words is "three hundred seventeen billion, nine million, four hundred ninety-three thousand, five hundred four".