316981163 has 4 divisors (see below), whose sum is σ = 319080528. Its totient is φ = 314881800.

The previous prime is 316981151. The next prime is 316981229. The reversal of 316981163 is 361189613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361189613 = 271 ⋅1332803.

It is a cyclic number.

It is not a de Polignac number, because 316981163 - 2²⁴ = 300203947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316981363) 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, 1049456 + ... + 1049757.

It is an arithmetic number, because the mean of its divisors is an integer number (79770132).

Almost surely, 2^316981163 is an apocalyptic number.

316981163 is a deficient number, since it is larger than the sum of its proper divisors (2099365).

316981163 is a wasteful number, since it uses less digits than its factorization.

316981163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099364.

The product of its digits is 23328, while the sum is 38.

The square root of 316981163 is about 17803.9648112436. The cubic root of 316981163 is about 681.8326881509.

The spelling of 316981163 in words is "three hundred sixteen million, nine hundred eighty-one thousand, one hundred sixty-three".