13331031112 has 32 divisors (see below), whose sum is σ = 29551550400. Its totient is φ = 5516288064.

The previous prime is 13331031101. The next prime is 13331031113. The reversal of 13331031112 is 21113013331.

It is a super-2 number, since 2×13331031112² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13331031112.

It is not an unprimeable number, because it can be changed into a prime (13331031113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4102758 + ... + 4106005.

It is an arithmetic number, because the mean of its divisors is an integer number (923485950).

Almost surely, 2^13331031112 is an apocalyptic number.

It is an amenable number.

13331031112 is an abundant number, since it is smaller than the sum of its proper divisors (16220519288).

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

13331031112 is a wasteful number, since it uses less digits than its factorization.

13331031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8208805 (or 8208801 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13331031112 its reverse (21113013331), we get a palindrome (34444044443).

The spelling of 13331031112 in words is "thirteen billion, three hundred thirty-one million, thirty-one thousand, one hundred twelve".