3312211321 has 2 divisors, whose sum is σ = 3312211322. Its totient is φ = 3312211320.

The previous prime is 3312211319. The next prime is 3312211351. The reversal of 3312211321 is 1231122133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3066944400 + 245266921 = 55380^2 + 15661^2 .

It is a cyclic number.

It is not a de Polignac number, because 3312211321 - 2¹ = 3312211319 is a prime.

Together with 3312211319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3312211351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656105660 + 1656105661.

It is an arithmetic number, because the mean of its divisors is an integer number (1656105661).

Almost surely, 2^3312211321 is an apocalyptic number.

It is an amenable number.

3312211321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3312211321 is an equidigital number, since it uses as much as digits as its factorization.

3312211321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 3312211321 is about 57551.8142285715. The cubic root of 3312211321 is about 1490.6396846434.

Adding to 3312211321 its reverse (1231122133), we get a palindrome (4543333454).

The spelling of 3312211321 in words is "three billion, three hundred twelve million, two hundred eleven thousand, three hundred twenty-one".