316950331 has 4 divisors (see below), whose sum is σ = 317088064. Its totient is φ = 316812600.

The previous prime is 316950317. The next prime is 316950341. The reversal of 316950331 is 133059613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133059613 = 431 ⋅308723.

It is a cyclic number.

It is not a de Polignac number, because 316950331 - 2⁷ = 316950203 is a prime.

It is a super-2 number, since 2×316950331² = 200915024642019122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316950293 and 316950302.

It is not an unprimeable number, because it can be changed into a prime (316950311) 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, 65355 + ... + 70036.

It is an arithmetic number, because the mean of its divisors is an integer number (79272016).

Almost surely, 2^316950331 is an apocalyptic number.

316950331 is a deficient number, since it is larger than the sum of its proper divisors (137733).

316950331 is a wasteful number, since it uses less digits than its factorization.

316950331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137732.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 316950331 is about 17803.0989156383. The cubic root of 316950331 is about 681.8105806889.

The spelling of 316950331 in words is "three hundred sixteen million, nine hundred fifty thousand, three hundred thirty-one".