33234031321 has 2 divisors, whose sum is σ = 33234031322. Its totient is φ = 33234031320.

The previous prime is 33234031301. The next prime is 33234031343. The reversal of 33234031321 is 12313043233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33233290000 + 741321 = 182300^2 + 861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33234031321 is a prime.

It is a super-2 number, since 2×33234031321² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33234031301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16617015660 + 16617015661.

It is an arithmetic number, because the mean of its divisors is an integer number (16617015661).

Almost surely, 2^33234031321 is an apocalyptic number.

It is an amenable number.

33234031321 is a deficient number, since it is larger than the sum of its proper divisors (1).

33234031321 is an equidigital number, since it uses as much as digits as its factorization.

33234031321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 33234031321 its reverse (12313043233), we get a palindrome (45547074554).

The spelling of 33234031321 in words is "thirty-three billion, two hundred thirty-four million, thirty-one thousand, three hundred twenty-one".