13044131312 has 40 divisors (see below), whose sum is σ = 26381350176. Its totient is φ = 6236246016.

The previous prime is 13044131291. The next prime is 13044131339. The reversal of 13044131312 is 21313144031.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1488608 + ... + 1497344.

Almost surely, 2^13044131312 is an apocalyptic number.

It is an amenable number.

13044131312 is an abundant number, since it is smaller than the sum of its proper divisors (13337218864).

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

13044131312 is a wasteful number, since it uses less digits than its factorization.

13044131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12825 (or 12819 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13044131312 its reverse (21313144031), we get a palindrome (34357275343).

The spelling of 13044131312 in words is "thirteen billion, forty-four million, one hundred thirty-one thousand, three hundred twelve".