313027997 has 2 divisors, whose sum is σ = 313027998. Its totient is φ = 313027996.

The previous prime is 313027961. The next prime is 313028039. The reversal of 313027997 is 799720313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312370276 + 657721 = 17674^2 + 811^2 .

It is a cyclic number.

It is not a de Polignac number, because 313027997 - 2⁶ = 313027933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313027927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156513998 + 156513999.

It is an arithmetic number, because the mean of its divisors is an integer number (156513999).

Almost surely, 2^313027997 is an apocalyptic number.

It is an amenable number.

313027997 is a deficient number, since it is larger than the sum of its proper divisors (1).

313027997 is an equidigital number, since it uses as much as digits as its factorization.

313027997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 313027997 is about 17692.5972372628. The cubic root of 313027997 is about 678.9863769325.

The spelling of 313027997 in words is "three hundred thirteen million, twenty-seven thousand, nine hundred ninety-seven".