13013321120 has 24 divisors (see below), whose sum is σ = 30743971524. Its totient is φ = 5205328384.

The previous prime is 13013321093. The next prime is 13013321137. The reversal of 13013321120 is 2112331031.

It can be written as a sum of positive squares in 2 ways, for example, as 12686868496 + 326452624 = 112636^2 + 18068^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40666469 + ... + 40666788.

Almost surely, 2^13013321120 is an apocalyptic number.

13013321120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13013321120 is an abundant number, since it is smaller than the sum of its proper divisors (17730650404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13013321120 is an equidigital number, since it uses as much as digits as its factorization.

13013321120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81333272 (or 81333264 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13013321120 its reverse (2112331031), we get a palindrome (15125652151).

The spelling of 13013321120 in words is "thirteen billion, thirteen million, three hundred twenty-one thousand, one hundred twenty".