13213232044 has 12 divisors (see below), whose sum is σ = 23127189568. Its totient is φ = 6605463600.

The previous prime is 13213232033. The next prime is 13213232057. The reversal of 13213232044 is 44023231231.

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, 262047 + ... + 308374.

Almost surely, 2^13213232044 is an apocalyptic number.

It is an amenable number.

13213232044 is a deficient number, since it is larger than the sum of its proper divisors (9913957524).

13213232044 is a wasteful number, since it uses less digits than its factorization.

13213232044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576216 (or 576214 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13213232044 its reverse (44023231231), we get a palindrome (57236463275).

The spelling of 13213232044 in words is "thirteen billion, two hundred thirteen million, two hundred thirty-two thousand, forty-four".