313923697 has 2 divisors, whose sum is σ = 313923698. Its totient is φ = 313923696.

The previous prime is 313923691. The next prime is 313923707. The reversal of 313923697 is 796329313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302794801 + 11128896 = 17401^2 + 3336^2 .

It is a cyclic number.

It is not a de Polignac number, because 313923697 - 2¹⁹ = 313399409 is a prime.

It is not a weakly prime, because it can be changed into another prime (313923691) 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, 156961848 + 156961849.

It is an arithmetic number, because the mean of its divisors is an integer number (156961849).

Almost surely, 2^313923697 is an apocalyptic number.

It is an amenable number.

313923697 is a deficient number, since it is larger than the sum of its proper divisors (1).

313923697 is an equidigital number, since it uses as much as digits as its factorization.

313923697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 43.

The square root of 313923697 is about 17717.8920021542. The cubic root of 313923697 is about 679.6333786407.

The spelling of 313923697 in words is "three hundred thirteen million, nine hundred twenty-three thousand, six hundred ninety-seven".