13531322104 has 16 divisors (see below), whose sum is σ = 25374294720. Its totient is φ = 6764843520.

The previous prime is 13531322009. The next prime is 13531322107. The reversal of 13531322104 is 40122313531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531322107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28744 + ... + 166999.

It is an arithmetic number, because the mean of its divisors is an integer number (1585893420).

Almost surely, 2^13531322104 is an apocalyptic number.

It is an amenable number.

13531322104 is a deficient number, since it is larger than the sum of its proper divisors (11842972616).

13531322104 is a wasteful number, since it uses less digits than its factorization.

13531322104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204390 (or 204386 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 13531322104 its reverse (40122313531), we get a palindrome (53653635635).

The spelling of 13531322104 in words is "thirteen billion, five hundred thirty-one million, three hundred twenty-two thousand, one hundred four".