312984079 has 2 divisors, whose sum is σ = 312984080. Its totient is φ = 312984078.

The previous prime is 312984041. The next prime is 312984097. The reversal of 312984079 is 970489213.

Together with next prime (312984097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312984079 - 2¹¹ = 312982031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312984019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156492039 + 156492040.

It is an arithmetic number, because the mean of its divisors is an integer number (156492040).

Almost surely, 2^312984079 is an apocalyptic number.

312984079 is a deficient number, since it is larger than the sum of its proper divisors (1).

312984079 is an equidigital number, since it uses as much as digits as its factorization.

312984079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 312984079 is about 17691.3560531690. The cubic root of 312984079 is about 678.9546213934.

The spelling of 312984079 in words is "three hundred twelve million, nine hundred eighty-four thousand, seventy-nine".