312483277 has 2 divisors, whose sum is σ = 312483278. Its totient is φ = 312483276.

The previous prime is 312483233. The next prime is 312483319. The reversal of 312483277 is 772384213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245423556 + 67059721 = 15666^2 + 8189^2 .

It is a cyclic number.

It is not a de Polignac number, because 312483277 - 2²³ = 304094669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312486277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156241638 + 156241639.

It is an arithmetic number, because the mean of its divisors is an integer number (156241639).

Almost surely, 2^312483277 is an apocalyptic number.

It is an amenable number.

312483277 is a deficient number, since it is larger than the sum of its proper divisors (1).

312483277 is an equidigital number, since it uses as much as digits as its factorization.

312483277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 37.

The square root of 312483277 is about 17677.1965254675. The cubic root of 312483277 is about 678.5922990779.

The spelling of 312483277 in words is "three hundred twelve million, four hundred eighty-three thousand, two hundred seventy-seven".