13113232432 has 20 divisors (see below), whose sum is σ = 26744093080. Its totient is φ = 6211531008.

The previous prime is 13113232427. The next prime is 13113232439. The reversal of 13113232432 is 23423231131.

It is a junction number, because it is equal to n+sod(n) for n = 13113232397 and 13113232406.

It is not an unprimeable number, because it can be changed into a prime (13113232439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21567513 + ... + 21568120.

It is an arithmetic number, because the mean of its divisors is an integer number (1337204654).

Almost surely, 2^13113232432 is an apocalyptic number.

It is an amenable number.

13113232432 is an abundant number, since it is smaller than the sum of its proper divisors (13630860648).

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

13113232432 is a wasteful number, since it uses less digits than its factorization.

13113232432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43135660 (or 43135654 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 13113232432 its reverse (23423231131), we get a palindrome (36536463563).

The spelling of 13113232432 in words is "thirteen billion, one hundred thirteen million, two hundred thirty-two thousand, four hundred thirty-two".