312310996 has 6 divisors (see below), whose sum is σ = 546544250. Its totient is φ = 156155496.

The previous prime is 312310993. The next prime is 312311039. The reversal of 312310996 is 699013213.

It can be written as a sum of positive squares in only one way, i.e., 234518596 + 77792400 = 15314^2 + 8820^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312310991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39038871 + ... + 39038878.

Almost surely, 2^312310996 is an apocalyptic number.

It is an amenable number.

312310996 is a deficient number, since it is larger than the sum of its proper divisors (234233254).

312310996 is a wasteful number, since it uses less digits than its factorization.

312310996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78077753 (or 78077751 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 312310996 is about 17672.3228807081. The cubic root of 312310996 is about 678.4675670148.

The spelling of 312310996 in words is "three hundred twelve million, three hundred ten thousand, nine hundred ninety-six".