13220232113 has 4 divisors (see below), whose sum is σ = 14422071408. Its totient is φ = 12018392820.

The previous prime is 13220232089. The next prime is 13220232119. The reversal of 13220232113 is 31123202231.

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 13220232113 - 2³⁰ = 12146490289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13220232119) 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, 600919631 + ... + 600919652.

It is an arithmetic number, because the mean of its divisors is an integer number (3605517852).

Almost surely, 2^13220232113 is an apocalyptic number.

It is an amenable number.

13220232113 is a deficient number, since it is larger than the sum of its proper divisors (1201839295).

13220232113 is a wasteful number, since it uses less digits than its factorization.

13220232113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201839294.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13220232113 its reverse (31123202231), we get a palindrome (44343434344).

The spelling of 13220232113 in words is "thirteen billion, two hundred twenty million, two hundred thirty-two thousand, one hundred thirteen".