13131123244 has 12 divisors (see below), whose sum is σ = 23098531624. Its totient is φ = 6531542784.

The previous prime is 13131123227. The next prime is 13131123253. The reversal of 13131123244 is 44232113131.

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, 8503842 + ... + 8505385.

Almost surely, 2^13131123244 is an apocalyptic number.

It is an amenable number.

13131123244 is a deficient number, since it is larger than the sum of its proper divisors (9967408380).

13131123244 is a wasteful number, since it uses less digits than its factorization.

13131123244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17009424 (or 17009422 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 13131123244 its reverse (44232113131), we get a palindrome (57363236375).

The spelling of 13131123244 in words is "thirteen billion, one hundred thirty-one million, one hundred twenty-three thousand, two hundred forty-four".