313328651 has 4 divisors (see below), whose sum is σ = 313374600. Its totient is φ = 313282704.

The previous prime is 313328623. The next prime is 313328663. The reversal of 313328651 is 156823313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313328651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313328611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10481 + ... + 27138.

It is an arithmetic number, because the mean of its divisors is an integer number (78343650).

Almost surely, 2^313328651 is an apocalyptic number.

313328651 is a deficient number, since it is larger than the sum of its proper divisors (45949).

313328651 is an equidigital number, since it uses as much as digits as its factorization.

313328651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45948.

The product of its digits is 12960, while the sum is 32.

The square root of 313328651 is about 17701.0918024850. The cubic root of 313328651 is about 679.2036893882.

The spelling of 313328651 in words is "three hundred thirteen million, three hundred twenty-eight thousand, six hundred fifty-one".