142401332341321 has 2 divisors, whose sum is σ = 142401332341322. Its totient is φ = 142401332341320.

The previous prime is 142401332341207. The next prime is 142401332341361. The reversal of 142401332341321 is 123143233104241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111797633433600 + 30603698907721 = 10573440^2 + 5532061^2 .

It is a cyclic number.

It is not a de Polignac number, because 142401332341321 - 2⁹ = 142401332340809 is a prime.

It is not a weakly prime, because it can be changed into another prime (142401332341361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71200666170660 + 71200666170661.

It is an arithmetic number, because the mean of its divisors is an integer number (71200666170661).

Almost surely, 2^{142401332341321} is an apocalyptic number.

It is an amenable number.

142401332341321 is a deficient number, since it is larger than the sum of its proper divisors (1).

142401332341321 is an equidigital number, since it uses as much as digits as its factorization.

142401332341321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 142401332341321 its reverse (123143233104241), we get a palindrome (265544565445562).

The spelling of 142401332341321 in words is "one hundred forty-two trillion, four hundred one billion, three hundred thirty-two million, three hundred forty-one thousand, three hundred twenty-one".