13531444104 has 64 divisors (see below), whose sum is σ = 34375723200. Its totient is φ = 4437835776.

The previous prime is 13531444103. The next prime is 13531444181. The reversal of 13531444104 is 40144413531.

It is not an unprimeable number, because it can be changed into a prime (13531444103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724872 + ... + 743304.

It is an arithmetic number, because the mean of its divisors is an integer number (537120675).

Almost surely, 2^13531444104 is an apocalyptic number.

It is an amenable number.

13531444104 is an abundant number, since it is smaller than the sum of its proper divisors (20844279096).

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

13531444104 is a wasteful number, since it uses less digits than its factorization.

13531444104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18934 (or 18930 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 13531444104 its reverse (40144413531), we get a palindrome (53675857635).

The spelling of 13531444104 in words is "thirteen billion, five hundred thirty-one million, four hundred forty-four thousand, one hundred four".