312313087 has 2 divisors, whose sum is σ = 312313088. Its totient is φ = 312313086.

The previous prime is 312313049. The next prime is 312313091. The reversal of 312313087 is 780313213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312313087 - 2¹¹ = 312311039 is a prime.

It is a super-2 number, since 2×312313087² = 195078928622939138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312313007) 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, 156156543 + 156156544.

It is an arithmetic number, because the mean of its divisors is an integer number (156156544).

Almost surely, 2^312313087 is an apocalyptic number.

312313087 is a deficient number, since it is larger than the sum of its proper divisors (1).

312313087 is an equidigital number, since it uses as much as digits as its factorization.

312313087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 312313087 is about 17672.3820409134. The cubic root of 312313087 is about 678.4690811813.

The spelling of 312313087 in words is "three hundred twelve million, three hundred thirteen thousand, eighty-seven".