13023221013 has 16 divisors (see below), whose sum is σ = 21047630400. Its totient is φ = 7892861040.

The previous prime is 13023220979. The next prime is 13023221027. The reversal of 13023221013 is 31012232031.

It is not a de Polignac number, because 13023221013 - 2⁶ = 13023220949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023221033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21924318 + ... + 21924911.

It is an arithmetic number, because the mean of its divisors is an integer number (1315476900).

Almost surely, 2^13023221013 is an apocalyptic number.

It is an amenable number.

13023221013 is a deficient number, since it is larger than the sum of its proper divisors (8024409387).

13023221013 is a wasteful number, since it uses less digits than its factorization.

13023221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43849249 (or 43849243 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13023221013 its reverse (31012232031), we get a palindrome (44035453044).

The spelling of 13023221013 in words is "thirteen billion, twenty-three million, two hundred twenty-one thousand, thirteen".