13211330044 has 24 divisors (see below), whose sum is σ = 25228925568. Its totient is φ = 6003413040.

The previous prime is 13211330039. The next prime is 13211330053. The reversal of 13211330044 is 44003311231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 13211329997 and 13211330024.

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, 117087 + ... + 200329.

It is an arithmetic number, because the mean of its divisors is an integer number (1051205232).

Almost surely, 2^13211330044 is an apocalyptic number.

It is an amenable number.

13211330044 is a deficient number, since it is larger than the sum of its proper divisors (12017595524).

13211330044 is a wasteful number, since it uses less digits than its factorization.

13211330044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86865 (or 86863 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13211330044 its reverse (44003311231), we get a palindrome (57214641275).

The spelling of 13211330044 in words is "thirteen billion, two hundred eleven million, three hundred thirty thousand, forty-four".