3213023321 has 2 divisors, whose sum is σ = 3213023322. Its totient is φ = 3213023320.

The previous prime is 3213023309. The next prime is 3213023323. The reversal of 3213023321 is 1233203123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2805185296 + 407838025 = 52964^2 + 20195^2 .

It is an emirp because it is prime and its reverse (1233203123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3213023321 - 2¹⁰ = 3213022297 is a prime.

It is a super-2 number, since 2×3213023321² = 20647037722579738082, which contains 22 as substring.

Together with 3213023323, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3213023293 and 3213023302.

It is not a weakly prime, because it can be changed into another prime (3213023323) 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, 1606511660 + 1606511661.

It is an arithmetic number, because the mean of its divisors is an integer number (1606511661).

Almost surely, 2^3213023321 is an apocalyptic number.

It is an amenable number.

3213023321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213023321 is an equidigital number, since it uses as much as digits as its factorization.

3213023321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3213023321 is about 56683.5365957347. The cubic root of 3213023321 is about 1475.6089904705.

Adding to 3213023321 its reverse (1233203123), we get a palindrome (4446226444).

The spelling of 3213023321 in words is "three billion, two hundred thirteen million, twenty-three thousand, three hundred twenty-one".