317311025 has 12 divisors (see below), whose sum is σ = 394099404. Its totient is φ = 253440000.

The previous prime is 317311021. The next prime is 317311063. The reversal of 317311025 is 520113713.

It can be written as a sum of positive squares in 6 ways, for example, as 26915344 + 290395681 = 5188^2 + 17041^2 .

It is not a de Polignac number, because 317311025 - 2² = 317311021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317311021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6125 + ... + 25925.

It is an arithmetic number, because the mean of its divisors is an integer number (32841617).

Almost surely, 2^317311025 is an apocalyptic number.

It is an amenable number.

317311025 is a deficient number, since it is larger than the sum of its proper divisors (76788379).

317311025 is a wasteful number, since it uses less digits than its factorization.

317311025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20452 (or 20447 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 317311025 is about 17813.2261255506. The cubic root of 317311025 is about 682.0691193638.

Adding to 317311025 its reverse (520113713), we get a palindrome (837424738).

The spelling of 317311025 in words is "three hundred seventeen million, three hundred eleven thousand, twenty-five".