13211031232 has 28 divisors (see below), whose sum is σ = 29960732560. Its totient is φ = 5661870336.

The previous prime is 13211031221. The next prime is 13211031241. The reversal of 13211031232 is 23213011231.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14744007 + ... + 14744902.

Almost surely, 2^13211031232 is an apocalyptic number.

It is an amenable number.

13211031232 is an abundant number, since it is smaller than the sum of its proper divisors (16749701328).

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

13211031232 is an equidigital number, since it uses as much as digits as its factorization.

13211031232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29488928 (or 29488918 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13211031232 its reverse (23213011231), we get a palindrome (36424042463).

The spelling of 13211031232 in words is "thirteen billion, two hundred eleven million, thirty-one thousand, two hundred thirty-two".