13333321232 has 80 divisors (see below), whose sum is σ = 32503574400. Its totient is φ = 5147089920.

The previous prime is 13333321223. The next prime is 13333321259. The reversal of 13333321232 is 23212333331.

It is a happy 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, 84644 + ... + 183932.

It is an arithmetic number, because the mean of its divisors is an integer number (406294680).

Almost surely, 2^13333321232 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 13333321232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16251787200).

13333321232 is an abundant number, since it is smaller than the sum of its proper divisors (19170253168).

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

13333321232 is a wasteful number, since it uses less digits than its factorization.

13333321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99424 (or 99418 counting only the distinct ones).

The product of its digits is 5832, while the sum is 26.

Adding to 13333321232 its reverse (23212333331), we get a palindrome (36545654563).

The spelling of 13333321232 in words is "thirteen billion, three hundred thirty-three million, three hundred twenty-one thousand, two hundred thirty-two".