313023013 has 8 divisors (see below), whose sum is σ = 324142200. Its totient is φ = 301925568.

The previous prime is 313023001. The next prime is 313023017. The reversal of 313023013 is 310320313.

It can be written as a sum of positive squares in 4 ways, for example, as 24770529 + 288252484 = 4977^2 + 16978^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313023013 - 2⁵ = 313022981 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 (313023017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27295 + ... + 37027.

It is an arithmetic number, because the mean of its divisors is an integer number (40517775).

Almost surely, 2^313023013 is an apocalyptic number.

It is an amenable number.

313023013 is a deficient number, since it is larger than the sum of its proper divisors (11119187).

313023013 is a wasteful number, since it uses less digits than its factorization.

313023013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10871.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 313023013 is about 17692.4563868333. The cubic root of 313023013 is about 678.9827733293.

Adding to 313023013 its reverse (310320313), we get a palindrome (623343326).

The spelling of 313023013 in words is "three hundred thirteen million, twenty-three thousand, thirteen".