317157268 has 6 divisors (see below), whose sum is σ = 555025226. Its totient is φ = 158578632.

The previous prime is 317157259. The next prime is 317157277. The reversal of 317157268 is 862751713.

It is an interprime number because it is at equal distance from previous prime (317157259) and next prime (317157277).

It can be written as a sum of positive squares in only one way, i.e., 306320004 + 10837264 = 17502^2 + 3292^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 317157268.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39644655 + ... + 39644662.

Almost surely, 2^317157268 is an apocalyptic number.

It is an amenable number.

317157268 is a deficient number, since it is larger than the sum of its proper divisors (237867958).

317157268 is a wasteful number, since it uses less digits than its factorization.

317157268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79289321 (or 79289319 counting only the distinct ones).

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

The square root of 317157268 is about 17808.9097925729. The cubic root of 317157268 is about 681.9589332089.

It can be divided in two parts, 31715 and 7268, that added together give a palindrome (38983).

The spelling of 317157268 in words is "three hundred seventeen million, one hundred fifty-seven thousand, two hundred sixty-eight".