313929997 has 2 divisors, whose sum is σ = 313929998. Its totient is φ = 313929996.

The previous prime is 313929983. The next prime is 313930031. The reversal of 313929997 is 799929313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193237801 + 120692196 = 13901^2 + 10986^2 .

It is a cyclic number.

It is not a de Polignac number, because 313929997 - 2¹¹ = 313927949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313929937) 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, 156964998 + 156964999.

It is an arithmetic number, because the mean of its divisors is an integer number (156964999).

Almost surely, 2^313929997 is an apocalyptic number.

It is an amenable number.

313929997 is a deficient number, since it is larger than the sum of its proper divisors (1).

313929997 is an equidigital number, since it uses as much as digits as its factorization.

313929997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 826686, while the sum is 52.

The square root of 313929997 is about 17718.0697876490. The cubic root of 313929997 is about 679.6379250339.

The spelling of 313929997 in words is "three hundred thirteen million, nine hundred twenty-nine thousand, nine hundred ninety-seven".