317056 has 16 divisors (see below), whose sum is σ = 631890. Its totient is φ = 158464.

The previous prime is 317047. The next prime is 317063. The reversal of 317056 is 650713.

It can be written as a sum of positive squares in only one way, i.e., 270400 + 46656 = 520^2 + 216^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111 + ... + 1366.

2³¹⁷⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

317056 is a deficient number, since it is larger than the sum of its proper divisors (314834).

317056 is an equidigital number, since it uses as much as digits as its factorization.

317056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491 (or 2479 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 317056 is about 563.0772593526. The cubic root of 317056 is about 68.1886342546.

Adding to 317056 its reverse (650713), we get a palindrome (967769).

The spelling of 317056 in words is "three hundred seventeen thousand, fifty-six".