317060520985 has 8 divisors (see below), whose sum is σ = 409739750280. Its totient is φ = 234137000064.

The previous prime is 317060520983. The next prime is 317060521003. The reversal of 317060520985 is 589025060713.

It can be written as a sum of positive squares in 4 ways, for example, as 30376306944 + 286684214041 = 174288^2 + 535429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 317060520985 - 2¹ = 317060520983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (317060520983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2438927020 + ... + 2438927149.

It is an arithmetic number, because the mean of its divisors is an integer number (51217468785).

Almost surely, 2^317060520985 is an apocalyptic number.

It is an amenable number.

317060520985 is a deficient number, since it is larger than the sum of its proper divisors (92679229295).

317060520985 is a wasteful number, since it uses less digits than its factorization.

317060520985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4877854187.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 317060520985 in words is "three hundred seventeen billion, sixty million, five hundred twenty thousand, nine hundred eighty-five".