316216312 has 8 divisors (see below), whose sum is σ = 592905600. Its totient is φ = 158108152.

The previous prime is 316216309. The next prime is 316216331. The reversal of 316216312 is 213612613.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19763512 + ... + 19763527.

It is an arithmetic number, because the mean of its divisors is an integer number (74113200).

Almost surely, 2^316216312 is an apocalyptic number.

It is an amenable number.

316216312 is a deficient number, since it is larger than the sum of its proper divisors (276689288).

316216312 is a wasteful number, since it uses less digits than its factorization.

316216312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39527045 (or 39527041 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 316216312 is about 17782.4720441225. The cubic root of 316216312 is about 681.2838433149.

Adding to 316216312 its reverse (213612613), we get a palindrome (529828925).

The spelling of 316216312 in words is "three hundred sixteen million, two hundred sixteen thousand, three hundred twelve".