3330001321 has 4 divisors (see below), whose sum is σ = 3330116944. Its totient is φ = 3329885700.

The previous prime is 3330001273. The next prime is 3330001379. The reversal of 3330001321 is 1231000333.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1231000333 = 9059 ⋅135887.

It is a cyclic number.

It is not a de Polignac number, because 3330001321 - 2²⁷ = 3195783593 is a prime.

It is a super-2 number, since 2×3330001321² = 22177817595723490082, 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 = 3330001295 and 3330001304.

It is not an unprimeable number, because it can be changed into a prime (3330002321) 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, 23686 + ... + 84976.

It is an arithmetic number, because the mean of its divisors is an integer number (832529236).

Almost surely, 2^3330001321 is an apocalyptic number.

It is an amenable number.

3330001321 is a deficient number, since it is larger than the sum of its proper divisors (115623).

3330001321 is an equidigital number, since it uses as much as digits as its factorization.

3330001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115622.

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

The square root of 3330001321 is about 57706.1636309329. The cubic root of 3330001321 is about 1493.3036797176.

Adding to 3330001321 its reverse (1231000333), we get a palindrome (4561001654).

The spelling of 3330001321 in words is "three billion, three hundred thirty million, one thousand, three hundred twenty-one".