13442431132 has 24 divisors (see below), whose sum is σ = 26207395200. Its totient is φ = 5990260416.

The previous prime is 13442431099. The next prime is 13442431139. The reversal of 13442431132 is 23113424431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13442431132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442431139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4455532 + ... + 4458547.

It is an arithmetic number, because the mean of its divisors is an integer number (1091974800).

Almost surely, 2^13442431132 is an apocalyptic number.

It is an amenable number.

13442431132 is a deficient number, since it is larger than the sum of its proper divisors (12764964068).

13442431132 is a wasteful number, since it uses less digits than its factorization.

13442431132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8914125 (or 8914123 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 13442431132 its reverse (23113424431), we get a palindrome (36555855563).

The spelling of 13442431132 in words is "thirteen billion, four hundred forty-two million, four hundred thirty-one thousand, one hundred thirty-two".