3330331321 has 4 divisors (see below), whose sum is σ = 3375952372. Its totient is φ = 3284710272.

The previous prime is 3330331273. The next prime is 3330331327. The reversal of 3330331321 is 1231330333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1231330333 = 479 ⋅2570627.

It can be written as a sum of positive squares in 2 ways, for example, as 2100847225 + 1229484096 = 45835^2 + 35064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3330331321 is a prime.

It is a super-2 number, since 2×3330331321² = 22182213415267210082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3330331292 and 3330331301.

It is not an unprimeable number, because it can be changed into a prime (3330331327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22810416 + ... + 22810561.

It is an arithmetic number, because the mean of its divisors is an integer number (843988093).

Almost surely, 2^3330331321 is an apocalyptic number.

It is an amenable number.

3330331321 is a deficient number, since it is larger than the sum of its proper divisors (45621051).

3330331321 is an equidigital number, since it uses as much as digits as its factorization.

3330331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45621050.

The product of its (nonzero) digits is 1458, while the sum is 22.

The square root of 3330331321 is about 57709.0228733774. The cubic root of 3330331321 is about 1493.3530064184.

Adding to 3330331321 its reverse (1231330333), we get a palindrome (4561661654).

The spelling of 3330331321 in words is "three billion, three hundred thirty million, three hundred thirty-one thousand, three hundred twenty-one".