312316 has 6 divisors (see below), whose sum is σ = 546560. Its totient is φ = 156156.

The previous prime is 312313. The next prime is 312331. The reversal of 312316 is 613213.

It is a self number, because there is not a number n which added to its sum of digits gives 312316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39036 + ... + 39043.

2³¹²³¹⁶ is an apocalyptic number.

It is an amenable number.

312316 is a deficient number, since it is larger than the sum of its proper divisors (234244).

312316 is a wasteful number, since it uses less digits than its factorization.

312316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78083 (or 78081 counting only the distinct ones).

The product of its digits is 108, while the sum is 16.

The square root of 312316 is about 558.8523955393. The cubic root of 312316 is about 67.8471190576.

Adding to 312316 its reverse (613213), we get a palindrome (925529).

The spelling of 312316 in words is "three hundred twelve thousand, three hundred sixteen".