13231030332 has 96 divisors (see below), whose sum is σ = 33949294848. Its totient is φ = 3986002944.

The previous prime is 13231030321. The next prime is 13231030333. The reversal of 13231030332 is 23303013231.

It is a junction number, because it is equal to n+sod(n) for n = 13231030299 and 13231030308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231030333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1458603 + ... + 1467645.

It is an arithmetic number, because the mean of its divisors is an integer number (353638488).

Almost surely, 2^13231030332 is an apocalyptic number.

13231030332 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 13231030332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16974647424).

13231030332 is an abundant number, since it is smaller than the sum of its proper divisors (20718264516).

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

13231030332 is a wasteful number, since it uses less digits than its factorization.

13231030332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9259 (or 9257 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 13231030332 its reverse (23303013231), we get a palindrome (36534043563).

The spelling of 13231030332 in words is "thirteen billion, two hundred thirty-one million, thirty thousand, three hundred thirty-two".