313833997 has 4 divisors (see below), whose sum is σ = 314158176. Its totient is φ = 313509820.

The previous prime is 313833977. The next prime is 313834013. The reversal of 313833997 is 799338313.

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.

It is a cyclic number.

It is not a de Polignac number, because 313833997 - 2⁷ = 313833869 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 (313833977) 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, 160633 + ... + 162574.

It is an arithmetic number, because the mean of its divisors is an integer number (78539544).

Almost surely, 2^313833997 is an apocalyptic number.

It is an amenable number.

313833997 is a deficient number, since it is larger than the sum of its proper divisors (324179).

313833997 is an equidigital number, since it uses as much as digits as its factorization.

313833997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324178.

The product of its digits is 367416, while the sum is 46.

The square root of 313833997 is about 17715.3604817966. The cubic root of 313833997 is about 679.5686400624.

The spelling of 313833997 in words is "three hundred thirteen million, eight hundred thirty-three thousand, nine hundred ninety-seven".