13013231219 has 16 divisors (see below), whose sum is σ = 13706431200. Its totient is φ = 12336839424.

The previous prime is 13013231207. The next prime is 13013231239. The reversal of 13013231219 is 91213231031.

13013231219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13013231219 - 2²⁰ = 13012182643 is a prime.

It is a super-2 number, since 2×13013231219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13013231239) 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 15 ways as a sum of consecutive naturals, for example, 1599149 + ... + 1607265.

It is an arithmetic number, because the mean of its divisors is an integer number (856651950).

Almost surely, 2^13013231219 is an apocalyptic number.

13013231219 is a deficient number, since it is larger than the sum of its proper divisors (693199981).

13013231219 is an equidigital number, since it uses as much as digits as its factorization.

13013231219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9142.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 13013231219 in words is "thirteen billion, thirteen million, two hundred thirty-one thousand, two hundred nineteen".