13313322013 has 4 divisors (see below), whose sum is σ = 14096458620. Its totient is φ = 12530185408.

The previous prime is 13313322007. The next prime is 13313322019. The reversal of 13313322013 is 31022331331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31022331331 = 433 ⋅71645107.

It is an interprime number because it is at equal distance from previous prime (13313322007) and next prime (13313322019).

It can be written as a sum of positive squares in 2 ways, for example, as 5049239364 + 8264082649 = 71058^2 + 90907^2 .

It is a cyclic number.

It is not a de Polignac number, because 13313322013 - 2¹⁷ = 13313190941 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 (13313322019) 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, 391568278 + ... + 391568311.

It is an arithmetic number, because the mean of its divisors is an integer number (3524114655).

Almost surely, 2^13313322013 is an apocalyptic number.

It is an amenable number.

13313322013 is a deficient number, since it is larger than the sum of its proper divisors (783136607).

13313322013 is an equidigital number, since it uses as much as digits as its factorization.

13313322013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783136606.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13313322013 its reverse (31022331331), we get a palindrome (44335653344).

The spelling of 13313322013 in words is "thirteen billion, three hundred thirteen million, three hundred twenty-two thousand, thirteen".