3321323321 has 4 divisors (see below), whose sum is σ = 3323549412. Its totient is φ = 3319097232.

The previous prime is 3321323249. The next prime is 3321323347. The reversal of 3321323321 is 1233231233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2382513721 + 938809600 = 48811^2 + 30640^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321323321 - 2¹⁰ = 3321322297 is a prime.

It is a super-2 number, since 2×3321323321² = 22062377205236938082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3321323381) 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, 1110806 + ... + 1113791.

It is an arithmetic number, because the mean of its divisors is an integer number (830887353).

Almost surely, 2^3321323321 is an apocalyptic number.

It is an amenable number.

3321323321 is a deficient number, since it is larger than the sum of its proper divisors (2226091).

3321323321 is a wasteful number, since it uses less digits than its factorization.

3321323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226090.

The product of its digits is 1944, while the sum is 23.

The square root of 3321323321 is about 57630.9233051146. The cubic root of 3321323321 is about 1492.0053656545.

Adding to 3321323321 its reverse (1233231233), we get a palindrome (4554554554).

The spelling of 3321323321 in words is "three billion, three hundred twenty-one million, three hundred twenty-three thousand, three hundred twenty-one".