13311132032 has 64 divisors (see below), whose sum is σ = 28950892560. Its totient is φ = 6045941760.

The previous prime is 13311132011. The next prime is 13311132049. The reversal of 13311132032 is 23023111331.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 13311131995 and 13311132013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2465528 + ... + 2470920.

Almost surely, 2^13311132032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13311132032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14475446280).

13311132032 is an abundant number, since it is smaller than the sum of its proper divisors (15639760528).

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

13311132032 is a wasteful number, since it uses less digits than its factorization.

13311132032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171 (or 7159 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13311132032 its reverse (23023111331), we get a palindrome (36334243363).

The spelling of 13311132032 in words is "thirteen billion, three hundred eleven million, one hundred thirty-two thousand, thirty-two".