13312131112 has 32 divisors (see below), whose sum is σ = 30203997120. Its totient is φ = 5369598720.

The previous prime is 13312131083. The next prime is 13312131121. The reversal of 13312131112 is 21113121331.

It is a self number, because there is not a number n which added to its sum of digits gives 13312131112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6990714 + ... + 6992617.

It is an arithmetic number, because the mean of its divisors is an integer number (943874910).

Almost surely, 2^13312131112 is an apocalyptic number.

It is an amenable number.

13312131112 is an abundant number, since it is smaller than the sum of its proper divisors (16891866008).

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

13312131112 is a wasteful number, since it uses less digits than its factorization.

13312131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13983361 (or 13983357 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

Adding to 13312131112 its reverse (21113121331), we get a palindrome (34425252443).

The spelling of 13312131112 in words is "thirteen billion, three hundred twelve million, one hundred thirty-one thousand, one hundred twelve".