312365311 has 2 divisors, whose sum is σ = 312365312. Its totient is φ = 312365310.

The previous prime is 312365309. The next prime is 312365329. The reversal of 312365311 is 113563213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312365311 - 2¹ = 312365309 is a prime.

It is a super-2 number, since 2×312365311² = 195144175032253442, which contains 22 as substring.

Together with 312365309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312365371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156182655 + 156182656.

It is an arithmetic number, because the mean of its divisors is an integer number (156182656).

Almost surely, 2^312365311 is an apocalyptic number.

312365311 is a deficient number, since it is larger than the sum of its proper divisors (1).

312365311 is an equidigital number, since it uses as much as digits as its factorization.

312365311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 25.

The square root of 312365311 is about 17673.8595388783. The cubic root of 312365311 is about 678.5068962201.

The spelling of 312365311 in words is "three hundred twelve million, three hundred sixty-five thousand, three hundred eleven".