313399 has 2 divisors, whose sum is σ = 313400. Its totient is φ = 313398.

The previous prime is 313387. The next prime is 313409. The reversal of 313399 is 993313.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313399 - 2⁹ = 312887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156699 + 156700.

It is an arithmetic number, because the mean of its divisors is an integer number (156700).

2³¹³³⁹⁹ is an apocalyptic number.

313399 is a deficient number, since it is larger than the sum of its proper divisors (1).

313399 is an equidigital number, since it uses as much as digits as its factorization.

313399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2187, while the sum is 28.

The square root of 313399 is about 559.8205069484. The cubic root of 313399 is about 67.9254517515.

The spelling of 313399 in words is "three hundred thirteen thousand, three hundred ninety-nine".