13331311232 has 16 divisors (see below), whose sum is σ = 26558471850. Its totient is φ = 6665655552.

The previous prime is 13331311211. The next prime is 13331311241. The reversal of 13331311232 is 23211313331.

It can be written as a sum of positive squares in only one way, i.e., 8861586496 + 4469724736 = 94136^2 + 66856^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 13331311198 and 13331311207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52075307 + ... + 52075562.

Almost surely, 2^13331311232 is an apocalyptic number.

It is an amenable number.

13331311232 is a deficient number, since it is larger than the sum of its proper divisors (13227160618).

13331311232 is an equidigital number, since it uses as much as digits as its factorization.

13331311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104150883 (or 104150871 counting only the distinct ones).

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

Adding to 13331311232 its reverse (23211313331), we get a palindrome (36542624563).

The spelling of 13331311232 in words is "thirteen billion, three hundred thirty-one million, three hundred eleven thousand, two hundred thirty-two".