13200331112 has 8 divisors (see below), whose sum is σ = 24750620850. Its totient is φ = 6600165552.

The previous prime is 13200331033. The next prime is 13200331117. The reversal of 13200331112 is 21113300231.

It can be written as a sum of positive squares in only one way, i.e., 12944523076 + 255808036 = 113774^2 + 15994^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13200331117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825020687 + ... + 825020702.

Almost surely, 2^13200331112 is an apocalyptic number.

It is an amenable number.

13200331112 is a deficient number, since it is larger than the sum of its proper divisors (11550289738).

13200331112 is a wasteful number, since it uses less digits than its factorization.

13200331112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650041395 (or 1650041391 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13200331112 its reverse (21113300231), we get a palindrome (34313631343).

The spelling of 13200331112 in words is "thirteen billion, two hundred million, three hundred thirty-one thousand, one hundred twelve".