13311331232 has 24 divisors (see below), whose sum is σ = 26245096416. Its totient is φ = 6645909952.

The previous prime is 13311331199. The next prime is 13311331237. The reversal of 13311331232 is 23213311331.

It is a junction number, because it is equal to n+sod(n) for n = 13311331198 and 13311331207.

It is not an unprimeable number, because it can be changed into a prime (13311331237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282668 + ... + 326379.

It is an arithmetic number, because the mean of its divisors is an integer number (1093545684).

Almost surely, 2^13311331232 is an apocalyptic number.

It is an amenable number.

13311331232 is a deficient number, since it is larger than the sum of its proper divisors (12933765184).

13311331232 is an equidigital number, since it uses as much as digits as its factorization.

13311331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609740 (or 609732 counting only the distinct ones).

The product of its digits is 972, while the sum is 23.

Adding to 13311331232 its reverse (23213311331), we get a palindrome (36524642563).

The spelling of 13311331232 in words is "thirteen billion, three hundred eleven million, three hundred thirty-one thousand, two hundred thirty-two".