313844693 has 4 divisors (see below), whose sum is σ = 322327020. Its totient is φ = 305362368.

The previous prime is 313844689. The next prime is 313844711. The reversal of 313844693 is 396448313.

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

It can be written as a sum of positive squares in 2 ways, for example, as 296597284 + 17247409 = 17222^2 + 4153^2 .

It is a cyclic number.

It is not a de Polignac number, because 313844693 - 2² = 313844689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313844693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313844653) 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, 4241108 + ... + 4241181.

It is an arithmetic number, because the mean of its divisors is an integer number (80581755).

Almost surely, 2^313844693 is an apocalyptic number.

It is an amenable number.

313844693 is a deficient number, since it is larger than the sum of its proper divisors (8482327).

313844693 is an equidigital number, since it uses as much as digits as its factorization.

313844693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8482326.

The product of its digits is 186624, while the sum is 41.

The square root of 313844693 is about 17715.6623641342. The cubic root of 313844693 is about 679.5763602624.

The spelling of 313844693 in words is "three hundred thirteen million, eight hundred forty-four thousand, six hundred ninety-three".