13213111232 has 14 divisors (see below), whose sum is σ = 26219767728. Its totient is φ = 6606555584.

The previous prime is 13213111217. The next prime is 13213111243. The reversal of 13213111232 is 23211131231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103227368 + ... + 103227495.

It is an arithmetic number, because the mean of its divisors is an integer number (1872840552).

Almost surely, 2^13213111232 is an apocalyptic number.

It is an amenable number.

13213111232 is a deficient number, since it is larger than the sum of its proper divisors (13006656496).

13213111232 is an equidigital number, since it uses as much as digits as its factorization.

13213111232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206454875 (or 206454865 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

Adding to 13213111232 its reverse (23211131231), we get a palindrome (36424242463).

The spelling of 13213111232 in words is "thirteen billion, two hundred thirteen million, one hundred eleven thousand, two hundred thirty-two".