313404313 has 4 divisors (see below), whose sum is σ = 316507428. Its totient is φ = 310301200.

The previous prime is 313404307. The next prime is 313404331.

It is a happy number.

313404313 is nontrivially palindromic in base 10.

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 292170649 + 21233664 = 17093^2 + 4608^2 .

It is a cyclic number.

It is not a de Polignac number, because 313404313 - 2⁵ = 313404281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313434313) 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, 1551406 + ... + 1551607.

It is an arithmetic number, because the mean of its divisors is an integer number (79126857).

Almost surely, 2^313404313 is an apocalyptic number.

It is an amenable number.

313404313 is a deficient number, since it is larger than the sum of its proper divisors (3103115).

313404313 is a wasteful number, since it uses less digits than its factorization.

313404313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103114.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 313404313 is about 17703.2288862795. The cubic root of 313404313 is about 679.2583559217.

It can be divided in two parts, 31340 and 4313, that added together give a palindrome (35653).

The spelling of 313404313 in words is "three hundred thirteen million, four hundred four thousand, three hundred thirteen".