317163136 has 16 divisors (see below), whose sum is σ = 631848690. Its totient is φ = 158581504.

The previous prime is 317163127. The next prime is 317163137. The reversal of 317163136 is 631361713.

It can be written as a sum of positive squares in only one way, i.e., 162409536 + 154753600 = 12744^2 + 12440^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 317163098 and 317163107.

It is not an unprimeable number, because it can be changed into a prime (317163137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1238791 + ... + 1239046.

Almost surely, 2^317163136 is an apocalyptic number.

It is an amenable number.

317163136 is a deficient number, since it is larger than the sum of its proper divisors (314685554).

317163136 is an equidigital number, since it uses as much as digits as its factorization.

317163136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477851 (or 2477839 counting only the distinct ones).

The product of its digits is 6804, while the sum is 31.

The square root of 317163136 is about 17809.0745408064. The cubic root of 317163136 is about 681.9631390196.

It can be divided in two parts, 3171631 and 36, that multiplied together give a triangular number (114178716 = T₁₅₁₁₁).

The spelling of 317163136 in words is "three hundred seventeen million, one hundred sixty-three thousand, one hundred thirty-six".