13330331 has 8 divisors (see below), whose sum is σ = 15406560. Its totient is φ = 11297088.

The previous prime is 13330307. The next prime is 13330349. The reversal of 13330331 is 13303331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13330331 - 2²² = 9136027 is a prime.

It is a super-2 number, since 2×13330331² = 355395449139122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13330351) 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, 10076 + ... + 11321.

It is an arithmetic number, because the mean of its divisors is an integer number (1925820).

Almost surely, 2^13330331 is an apocalyptic number.

13330331 is a deficient number, since it is larger than the sum of its proper divisors (2076229).

13330331 is an equidigital number, since it uses as much as digits as its factorization.

13330331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21493.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 13330331 is about 3651.0725821325. The cubic root of 13330331 is about 237.1084206644.

Adding to 13330331 its reverse (13303331), we get a palindrome (26633662).

Subtracting from 13330331 its reverse (13303331), we obtain a cube (27000 = 30³).

The spelling of 13330331 in words is "thirteen million, three hundred thirty thousand, three hundred thirty-one".