312311316 has 24 divisors (see below), whose sum is σ = 733972960. Its totient is φ = 103354272.

The previous prime is 312311281. The next prime is 312311323. The reversal of 312311316 is 613113213.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 312311292 and 312311301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91951 + ... + 95286.

Almost surely, 2^312311316 is an apocalyptic number.

It is an amenable number.

312311316 is an abundant number, since it is smaller than the sum of its proper divisors (421661644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312311316 is a wasteful number, since it uses less digits than its factorization.

312311316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187383 (or 187381 counting only the distinct ones).

The product of its digits is 324, while the sum is 21.

The square root of 312311316 is about 17672.3319344109. The cubic root of 312311316 is about 678.4677987385.

Adding to 312311316 its reverse (613113213), we get a palindrome (925424529).

The spelling of 312311316 in words is "three hundred twelve million, three hundred eleven thousand, three hundred sixteen".