313044997 has 2 divisors, whose sum is σ = 313044998. Its totient is φ = 313044996.

The previous prime is 313044961. The next prime is 313045063. The reversal of 313044997 is 799440313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283787716 + 29257281 = 16846^2 + 5409^2 .

It is a cyclic number.

It is not a de Polignac number, because 313044997 - 2¹⁵ = 313012229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313054997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156522498 + 156522499.

It is an arithmetic number, because the mean of its divisors is an integer number (156522499).

Almost surely, 2^313044997 is an apocalyptic number.

It is an amenable number.

313044997 is a deficient number, since it is larger than the sum of its proper divisors (1).

313044997 is an equidigital number, since it uses as much as digits as its factorization.

313044997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 313044997 is about 17693.0776576604. The cubic root of 313044997 is about 678.9986682286.

The spelling of 313044997 in words is "three hundred thirteen million, forty-four thousand, nine hundred ninety-seven".