316316971 has 4 divisors (see below), whose sum is σ = 318625992. Its totient is φ = 314007952.

The previous prime is 316316939. The next prime is 316316993. The reversal of 316316971 is 179613613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 179613613 = 113 ⋅1589501.

It is a cyclic number.

It is not a de Polignac number, because 316316971 - 2⁵ = 316316939 is a prime.

It is a super-2 number, since 2×316316971² = 200112852285229682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316316971.

It is not an unprimeable number, because it can be changed into a prime (316386971) 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, 1154305 + ... + 1154578.

It is an arithmetic number, because the mean of its divisors is an integer number (79656498).

Almost surely, 2^316316971 is an apocalyptic number.

316316971 is a deficient number, since it is larger than the sum of its proper divisors (2309021).

316316971 is a wasteful number, since it uses less digits than its factorization.

316316971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309020.

The product of its digits is 20412, while the sum is 37.

The square root of 316316971 is about 17785.3021059525. The cubic root of 316316971 is about 681.3561251385.

The spelling of 316316971 in words is "three hundred sixteen million, three hundred sixteen thousand, nine hundred seventy-one".