13331113 has 4 divisors (see below), whose sum is σ = 13361920. Its totient is φ = 13300308.

The previous prime is 13331107. The next prime is 13331117. The reversal of 13331113 is 31113331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31113331 = 809 ⋅38459.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13331113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13331117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14745 + ... + 15622.

It is an arithmetic number, because the mean of its divisors is an integer number (3340480).

Almost surely, 2^13331113 is an apocalyptic number.

It is an amenable number.

13331113 is a deficient number, since it is larger than the sum of its proper divisors (30807).

13331113 is an equidigital number, since it uses as much as digits as its factorization.

13331113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30806.

The product of its digits is 81, while the sum is 16.

The square root of 13331113 is about 3651.1796723799. The cubic root of 13331113 is about 237.1130570874.

Adding to 13331113 its reverse (31113331), we get a palindrome (44444444).

The spelling of 13331113 in words is "thirteen million, three hundred thirty-one thousand, one hundred thirteen".