3212330321 has 2 divisors, whose sum is σ = 3212330322. Its totient is φ = 3212330320.

The previous prime is 3212330299. The next prime is 3212330347. The reversal of 3212330321 is 1230332123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1686334225 + 1525996096 = 41065^2 + 39064^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212330321 - 2¹⁸ = 3212068177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3212330293 and 3212330302.

It is not a weakly prime, because it can be changed into another prime (3212333321) 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, 1606165160 + 1606165161.

It is an arithmetic number, because the mean of its divisors is an integer number (1606165161).

Almost surely, 2^3212330321 is an apocalyptic number.

It is an amenable number.

3212330321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212330321 is an equidigital number, since it uses as much as digits as its factorization.

3212330321 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 3212330321 is about 56677.4233800373. The cubic root of 3212330321 is about 1475.5028940771.

Adding to 3212330321 its reverse (1230332123), we get a palindrome (4442662444).

The spelling of 3212330321 in words is "three billion, two hundred twelve million, three hundred thirty thousand, three hundred twenty-one".