33013223231321 has 2 divisors, whose sum is σ = 33013223231322. Its totient is φ = 33013223231320.

The previous prime is 33013223231293. The next prime is 33013223231327. The reversal of 33013223231321 is 12313232231033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27463217567296 + 5550005664025 = 5240536^2 + 2355845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33013223231321 is a prime.

It is not a weakly prime, because it can be changed into another prime (33013223231327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16506611615660 + 16506611615661.

It is an arithmetic number, because the mean of its divisors is an integer number (16506611615661).

Almost surely, 2^{33013223231321} is an apocalyptic number.

It is an amenable number.

33013223231321 is a deficient number, since it is larger than the sum of its proper divisors (1).

33013223231321 is an equidigital number, since it uses as much as digits as its factorization.

33013223231321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 33013223231321 its reverse (12313232231033), we get a palindrome (45326455462354).

The spelling of 33013223231321 in words is "thirty-three trillion, thirteen billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred twenty-one".