3331321 has 4 divisors (see below), whose sum is σ = 3807232. Its totient is φ = 2855412.

The previous prime is 3331319. The next prime is 3331331. The reversal of 3331321 is 1231333.

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.

It is not a de Polignac number, because 3331321 - 2¹ = 3331319 is a prime.

It is a super-2 number, since 2×3331321² = 22195399210082, which contains 22 as substring.

It is a Duffinian number.

3331321 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3331295 and 3331304.

It is not an unprimeable number, because it can be changed into a prime (3331301) 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, 237945 + ... + 237958.

It is an arithmetic number, because the mean of its divisors is an integer number (951808).

Almost surely, 2^3331321 is an apocalyptic number.

It is an amenable number.

3331321 is a deficient number, since it is larger than the sum of its proper divisors (475911).

3331321 is an equidigital number, since it uses as much as digits as its factorization.

3331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475910.

The product of its digits is 162, while the sum is 16.

The square root of 3331321 is about 1825.1906749707. The cubic root of 3331321 is about 149.3500919002.

Adding to 3331321 its reverse (1231333), we get a palindrome (4562654).

The spelling of 3331321 in words is "three million, three hundred thirty-one thousand, three hundred twenty-one".