313312487 has 2 divisors, whose sum is σ = 313312488. Its totient is φ = 313312486.

The previous prime is 313312477. The next prime is 313312511. The reversal of 313312487 is 784213313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313312487 - 2¹⁴ = 313296103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313312427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156656243 + 156656244.

It is an arithmetic number, because the mean of its divisors is an integer number (156656244).

Almost surely, 2^313312487 is an apocalyptic number.

313312487 is a deficient number, since it is larger than the sum of its proper divisors (1).

313312487 is an equidigital number, since it uses as much as digits as its factorization.

313312487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 313312487 is about 17700.6352145905. The cubic root of 313312487 is about 679.1920095996.

The spelling of 313312487 in words is "three hundred thirteen million, three hundred twelve thousand, four hundred eighty-seven".