313399117 has 2 divisors, whose sum is σ = 313399118. Its totient is φ = 313399116.

The previous prime is 313399111. The next prime is 313399153. The reversal of 313399117 is 711993313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275095396 + 38303721 = 16586^2 + 6189^2 .

It is a cyclic number.

It is not a de Polignac number, because 313399117 - 2¹¹ = 313397069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313399111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156699558 + 156699559.

It is an arithmetic number, because the mean of its divisors is an integer number (156699559).

Almost surely, 2^313399117 is an apocalyptic number.

It is an amenable number.

313399117 is a deficient number, since it is larger than the sum of its proper divisors (1).

313399117 is an equidigital number, since it uses as much as digits as its factorization.

313399117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15309, while the sum is 37.

The square root of 313399117 is about 17703.0821327813. The cubic root of 313399117 is about 679.2546020424.

The spelling of 313399117 in words is "three hundred thirteen million, three hundred ninety-nine thousand, one hundred seventeen".