13311344444 has 24 divisors (see below), whose sum is σ = 24537596160. Its totient is φ = 6301079856.

The previous prime is 13311344443. The next prime is 13311344447. The reversal of 13311344444 is 44444311331.

It is a self number, because there is not a number n which added to its sum of digits gives 13311344444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311344443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54119 + ... + 171905.

It is an arithmetic number, because the mean of its divisors is an integer number (1022399840).

Almost surely, 2^13311344444 is an apocalyptic number.

It is an amenable number.

13311344444 is a deficient number, since it is larger than the sum of its proper divisors (11226251716).

13311344444 is a wasteful number, since it uses less digits than its factorization.

13311344444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119297 (or 119295 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

Adding to 13311344444 its reverse (44444311331), we get a palindrome (57755655775).

The spelling of 13311344444 in words is "thirteen billion, three hundred eleven million, three hundred forty-four thousand, four hundred forty-four".