13013223213 has 4 divisors (see below), whose sum is σ = 17350964288. Its totient is φ = 8675482140.

The previous prime is 13013223191. The next prime is 13013223259. The reversal of 13013223213 is 31232231031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31232231031 = 3 ⋅10410743677.

It is not a de Polignac number, because 13013223213 - 2⁹ = 13013222701 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 13013223213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013223283) 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, 2168870533 + ... + 2168870538.

It is an arithmetic number, because the mean of its divisors is an integer number (4337741072).

Almost surely, 2^13013223213 is an apocalyptic number.

It is an amenable number.

13013223213 is a deficient number, since it is larger than the sum of its proper divisors (4337741075).

13013223213 is an equidigital number, since it uses as much as digits as its factorization.

13013223213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337741074.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13013223213 its reverse (31232231031), we get a palindrome (44245454244).

The spelling of 13013223213 in words is "thirteen billion, thirteen million, two hundred twenty-three thousand, two hundred thirteen".