13231132032 has 128 divisors (see below), whose sum is σ = 35950520160. Its totient is φ = 4310433792.

The previous prime is 13231132027. The next prime is 13231132073. The reversal of 13231132032 is 23023113231.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3165528 + ... + 3169704.

Almost surely, 2^13231132032 is an apocalyptic number.

13231132032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13231132032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17975260080).

13231132032 is an abundant number, since it is smaller than the sum of its proper divisors (22719388128).

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

13231132032 is a wasteful number, since it uses less digits than its factorization.

13231132032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380 (or 4368 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13231132032 its reverse (23023113231), we get a palindrome (36254245263).

The spelling of 13231132032 in words is "thirteen billion, two hundred thirty-one million, one hundred thirty-two thousand, thirty-two".