13031442132 has 48 divisors (see below), whose sum is σ = 31200860544. Its totient is φ = 4230720000.

The previous prime is 13031442113. The next prime is 13031442133. The reversal of 13031442132 is 23124413031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031442133) 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, 273657 + ... + 317727.

It is an arithmetic number, because the mean of its divisors is an integer number (650017928).

Almost surely, 2^13031442132 is an apocalyptic number.

13031442132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13031442132 is an abundant number, since it is smaller than the sum of its proper divisors (18169418412).

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

13031442132 is a wasteful number, since it uses less digits than its factorization.

13031442132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44720 (or 44718 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13031442132 its reverse (23124413031), we get a palindrome (36155855163).

The spelling of 13031442132 in words is "thirteen billion, thirty-one million, four hundred forty-two thousand, one hundred thirty-two".