313321223013 has 4 divisors (see below), whose sum is σ = 417761630688. Its totient is φ = 208880815340.

The previous prime is 313321222999. The next prime is 313321223041. The reversal of 313321223013 is 310322123313.

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 313321223013 - 2¹³ = 313321214821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313321223513) 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, 52220203833 + ... + 52220203838.

It is an arithmetic number, because the mean of its divisors is an integer number (104440407672).

Almost surely, 2^313321223013 is an apocalyptic number.

It is an amenable number.

313321223013 is a deficient number, since it is larger than the sum of its proper divisors (104440407675).

313321223013 is a wasteful number, since it uses less digits than its factorization.

313321223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104440407674.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 313321223013 its reverse (310322123313), we get a palindrome (623643346326).

The spelling of 313321223013 in words is "three hundred thirteen billion, three hundred twenty-one million, two hundred twenty-three thousand, thirteen".