42032204321 has 2 divisors, whose sum is σ = 42032204322. Its totient is φ = 42032204320.

The previous prime is 42032204317. The next prime is 42032204363. The reversal of 42032204321 is 12340223024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33659039296 + 8373165025 = 183464^2 + 91505^2 .

It is a cyclic number.

It is not a de Polignac number, because 42032204321 - 2² = 42032204317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (42032203321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21016102160 + 21016102161.

It is an arithmetic number, because the mean of its divisors is an integer number (21016102161).

Almost surely, 2^42032204321 is an apocalyptic number.

It is an amenable number.

42032204321 is a deficient number, since it is larger than the sum of its proper divisors (1).

42032204321 is an equidigital number, since it uses as much as digits as its factorization.

42032204321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 42032204321 its reverse (12340223024), we get a palindrome (54372427345).

The spelling of 42032204321 in words is "forty-two billion, thirty-two million, two hundred four thousand, three hundred twenty-one".