316215965 has 32 divisors (see below), whose sum is σ = 425241600. Its totient is φ = 224156160.

The previous prime is 316215961. The next prime is 316215989. The reversal of 316215965 is 569512613.

It is not a de Polignac number, because 316215965 - 2² = 316215961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316215961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279521 + ... + 280649.

It is an arithmetic number, because the mean of its divisors is an integer number (13288800).

Almost surely, 2^316215965 is an apocalyptic number.

It is an amenable number.

316215965 is a deficient number, since it is larger than the sum of its proper divisors (109025635).

316215965 is a wasteful number, since it uses less digits than its factorization.

316215965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317.

The product of its digits is 48600, while the sum is 38.

The square root of 316215965 is about 17782.4622873212. The cubic root of 316215965 is about 681.2835941125.

The spelling of 316215965 in words is "three hundred sixteen million, two hundred fifteen thousand, nine hundred sixty-five".