313395287 has 2 divisors, whose sum is σ = 313395288. Its totient is φ = 313395286.

The previous prime is 313395281. The next prime is 313395311. The reversal of 313395287 is 782593313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313395287 - 2⁸ = 313395031 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313395281) 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, 156697643 + 156697644.

It is an arithmetic number, because the mean of its divisors is an integer number (156697644).

Almost surely, 2^313395287 is an apocalyptic number.

313395287 is a deficient number, since it is larger than the sum of its proper divisors (1).

313395287 is an equidigital number, since it uses as much as digits as its factorization.

313395287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 313395287 is about 17702.9739591968. The cubic root of 313395287 is about 679.2518350108.

The spelling of 313395287 in words is "three hundred thirteen million, three hundred ninety-five thousand, two hundred eighty-seven".