3321200321 has 8 divisors (see below), whose sum is σ = 3500551080. Its totient is φ = 3146171392.

The previous prime is 3321200303. The next prime is 3321200353. The reversal of 3321200321 is 1230021233.

It can be written as a sum of positive squares in 4 ways, for example, as 787588096 + 2533612225 = 28064^2 + 50335^2 .

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 3321200321 - 2²⁶ = 3254091457 is a prime.

It is a super-2 number, since 2×3321200321² = 22060743144421006082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3321200321.

It is not an unprimeable number, because it can be changed into a prime (3321200371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078880 + ... + 1081953.

It is an arithmetic number, because the mean of its divisors is an integer number (437568885).

Almost surely, 2^3321200321 is an apocalyptic number.

It is an amenable number.

3321200321 is a deficient number, since it is larger than the sum of its proper divisors (179350759).

3321200321 is a wasteful number, since it uses less digits than its factorization.

3321200321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160915.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3321200321 is about 57629.8561598066. The cubic root of 3321200321 is about 1491.9869474009.

Adding to 3321200321 its reverse (1230021233), we get a palindrome (4551221554).

The spelling of 3321200321 in words is "three billion, three hundred twenty-one million, two hundred thousand, three hundred twenty-one".