13113331 has 12 divisors (see below), whose sum is σ = 16641720. Its totient is φ = 10217760.

The previous prime is 13113319. The next prime is 13113337. The reversal of 13113331 is 13331131.

It is not a de Polignac number, because 13113331 - 2⁹ = 13112819 is a prime.

It is a super-2 number, since 2×13113331² = 343918899831122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13113337) 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 11 ways as a sum of consecutive naturals, for example, 11626 + ... + 12703.

It is an arithmetic number, because the mean of its divisors is an integer number (1386810).

Almost surely, 2^13113331 is an apocalyptic number.

13113331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13113331 is a deficient number, since it is larger than the sum of its proper divisors (3528389).

13113331 is a wasteful number, since it uses less digits than its factorization.

13113331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24354 (or 24347 counting only the distinct ones).

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

The square root of 13113331 is about 3621.2333534308. The cubic root of 13113331 is about 235.8147725476.

Adding to 13113331 its reverse (13331131), we get a palindrome (26444462).

The spelling of 13113331 in words is "thirteen million, one hundred thirteen thousand, three hundred thirty-one".