3213311302321 has 2 divisors, whose sum is σ = 3213311302322. Its totient is φ = 3213311302320.

The previous prime is 3213311302309. The next prime is 3213311302337. The reversal of 3213311302321 is 1232031133123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1804282951696 + 1409028350625 = 1343236^2 + 1187025^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213311302321 - 2¹¹ = 3213311300273 is a prime.

It is not a weakly prime, because it can be changed into another prime (3213311602321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606655651160 + 1606655651161.

It is an arithmetic number, because the mean of its divisors is an integer number (1606655651161).

Almost surely, 2^{3213311302321} is an apocalyptic number.

It is an amenable number.

3213311302321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213311302321 is an equidigital number, since it uses as much as digits as its factorization.

3213311302321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3213311302321 its reverse (1232031133123), we get a palindrome (4445342435444).

The spelling of 3213311302321 in words is "three trillion, two hundred thirteen billion, three hundred eleven million, three hundred two thousand, three hundred twenty-one".