317152208137 has 4 divisors (see below), whose sum is σ = 325723889476. Its totient is φ = 308580526800.

The previous prime is 317152208119. The next prime is 317152208159. The reversal of 317152208137 is 731802251713.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 214972249801 + 102179958336 = 463651^2 + 319656^2 .

It is a cyclic number.

It is not a de Polignac number, because 317152208137 - 2³⁵ = 282792469769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 317152208137.

It is not an unprimeable number, because it can be changed into a prime (317152208167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4285840614 + ... + 4285840687.

It is an arithmetic number, because the mean of its divisors is an integer number (81430972369).

Almost surely, 2^317152208137 is an apocalyptic number.

317152208137 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

317152208137 is a deficient number, since it is larger than the sum of its proper divisors (8571681339).

317152208137 is an equidigital number, since it uses as much as digits as its factorization.

317152208137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8571681338.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 317152208137 in words is "three hundred seventeen billion, one hundred fifty-two million, two hundred eight thousand, one hundred thirty-seven".