13213113213 has 4 divisors (see below), whose sum is σ = 17617484288. Its totient is φ = 8808742140.

The previous prime is 13213113191. The next prime is 13213113217. The reversal of 13213113213 is 31231131231.

It is a happy number.

13213113213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 13213113213 - 2¹⁴ = 13213096829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13213113213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213113217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202185533 + ... + 2202185538.

It is an arithmetic number, because the mean of its divisors is an integer number (4404371072).

Almost surely, 2^13213113213 is an apocalyptic number.

It is an amenable number.

13213113213 is a deficient number, since it is larger than the sum of its proper divisors (4404371075).

13213113213 is an equidigital number, since it uses as much as digits as its factorization.

13213113213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404371074.

The product of its digits is 324, while the sum is 21.

Adding to 13213113213 its reverse (31231131231), we get a palindrome (44444244444).

The spelling of 13213113213 in words is "thirteen billion, two hundred thirteen million, one hundred thirteen thousand, two hundred thirteen".