316938791 has 16 divisors (see below), whose sum is σ = 360138240. Its totient is φ = 276501600.

The previous prime is 316938751. The next prime is 316938799. The reversal of 316938791 is 197839613.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 316938791 - 2¹⁴ = 316922407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316938799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122966 + ... + 125516.

It is an arithmetic number, because the mean of its divisors is an integer number (22508640).

Almost surely, 2^316938791 is an apocalyptic number.

316938791 is a deficient number, since it is larger than the sum of its proper divisors (43199449).

316938791 is a wasteful number, since it uses less digits than its factorization.

316938791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086.

The product of its digits is 244944, while the sum is 47.

The square root of 316938791 is about 17802.7748118095. The cubic root of 316938791 is about 681.8023057965.

The spelling of 316938791 in words is "three hundred sixteen million, nine hundred thirty-eight thousand, seven hundred ninety-one".