313000997 has 4 divisors (see below), whose sum is σ = 326609760. Its totient is φ = 299392236.

The previous prime is 313000981. The next prime is 313001027. The reversal of 313000997 is 799000313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 799000313 = 14969 ⋅53377.

It is a cyclic number.

It is not a de Polignac number, because 313000997 - 2⁴ = 313000981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313000967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6804347 + ... + 6804392.

It is an arithmetic number, because the mean of its divisors is an integer number (81652440).

Almost surely, 2^313000997 is an apocalyptic number.

It is an amenable number.

313000997 is a deficient number, since it is larger than the sum of its proper divisors (13608763).

313000997 is a wasteful number, since it uses less digits than its factorization.

313000997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13608762.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 313000997 is about 17691.8341898176. The cubic root of 313000997 is about 678.9668545474.

The spelling of 313000997 in words is "three hundred thirteen million, nine hundred ninety-seven", and thus it is an aban number.