316604531 has 4 divisors (see below), whose sum is σ = 317622864. Its totient is φ = 315586200.

The previous prime is 316604521. The next prime is 316604537. The reversal of 316604531 is 135406613.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135406613 = 43 ⋅3148991.

It is a cyclic number.

It is not a de Polignac number, because 316604531 - 2¹⁴ = 316588147 is a prime.

It is a super-2 number, since 2×316604531² = 200476858099459922, 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 = 316604494 and 316604503.

It is not an unprimeable number, because it can be changed into a prime (316604537) 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, 508700 + ... + 509321.

It is an arithmetic number, because the mean of its divisors is an integer number (79405716).

Almost surely, 2^316604531 is an apocalyptic number.

316604531 is a deficient number, since it is larger than the sum of its proper divisors (1018333).

316604531 is a wasteful number, since it uses less digits than its factorization.

316604531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018332.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 316604531 is about 17793.3844728877. The cubic root of 316604531 is about 681.5625335226.

The spelling of 316604531 in words is "three hundred sixteen million, six hundred four thousand, five hundred thirty-one".