312983963 has 2 divisors, whose sum is σ = 312983964. Its totient is φ = 312983962.

The previous prime is 312983959. The next prime is 312983969. The reversal of 312983963 is 369389213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312983963 - 2² = 312983959 is a prime.

It is a super-2 number, since 2×312983963² = 195917922190370738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312983969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156491981 + 156491982.

It is an arithmetic number, because the mean of its divisors is an integer number (156491982).

Almost surely, 2^312983963 is an apocalyptic number.

312983963 is a deficient number, since it is larger than the sum of its proper divisors (1).

312983963 is an equidigital number, since it uses as much as digits as its factorization.

312983963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 44.

The square root of 312983963 is about 17691.3527747315. The cubic root of 312983963 is about 678.9545375140.

The spelling of 312983963 in words is "three hundred twelve million, nine hundred eighty-three thousand, nine hundred sixty-three".