313012013 has 4 divisors (see below), whose sum is σ = 313224000. Its totient is φ = 312800028.

The previous prime is 313012001. The next prime is 313012019. The reversal of 313012013 is 310210313.

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 313012013 - 2¹⁴ = 312995629 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 (313012019) 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, 103763 + ... + 106736.

It is an arithmetic number, because the mean of its divisors is an integer number (78306000).

Almost surely, 2^313012013 is an apocalyptic number.

It is an amenable number.

313012013 is a deficient number, since it is larger than the sum of its proper divisors (211987).

313012013 is a wasteful number, since it uses less digits than its factorization.

313012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211986.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 313012013 is about 17692.1455171497. The cubic root of 313012013 is about 678.9748198161.

Adding to 313012013 its reverse (310210313), we get a palindrome (623222326).

The spelling of 313012013 in words is "three hundred thirteen million, twelve thousand, thirteen".