313998953 has 2 divisors, whose sum is σ = 313998954. Its totient is φ = 313998952.

The previous prime is 313998929. The next prime is 313999069. The reversal of 313998953 is 359899313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216325264 + 97673689 = 14708^2 + 9883^2 .

It is a cyclic number.

It is not a de Polignac number, because 313998953 - 2⁸ = 313998697 is a prime.

It is not a weakly prime, because it can be changed into another prime (313998053) 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, 156999476 + 156999477.

It is an arithmetic number, because the mean of its divisors is an integer number (156999477).

Almost surely, 2^313998953 is an apocalyptic number.

It is an amenable number.

313998953 is a deficient number, since it is larger than the sum of its proper divisors (1).

313998953 is an equidigital number, since it uses as much as digits as its factorization.

313998953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 787320, while the sum is 50.

The square root of 313998953 is about 17720.0156038306. The cubic root of 313998953 is about 679.6876831352.

The spelling of 313998953 in words is "three hundred thirteen million, nine hundred ninety-eight thousand, nine hundred fifty-three".