321442232140277 has 2 divisors, whose sum is σ = 321442232140278. Its totient is φ = 321442232140276.

The previous prime is 321442232140231. The next prime is 321442232140319. The reversal of 321442232140277 is 772041232244123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321440470995121 + 1761145156 = 17928761^2 + 41966^2 .

It is an emirp because it is prime and its reverse (772041232244123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321442232140277 - 2³⁴ = 321425052271093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321442232140217) 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, 160721116070138 + 160721116070139.

It is an arithmetic number, because the mean of its divisors is an integer number (160721116070139).

Almost surely, 2^{321442232140277} is an apocalyptic number.

It is an amenable number.

321442232140277 is a deficient number, since it is larger than the sum of its proper divisors (1).

321442232140277 is an equidigital number, since it uses as much as digits as its factorization.

321442232140277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 44.

The spelling of 321442232140277 in words is "three hundred twenty-one trillion, four hundred forty-two billion, two hundred thirty-two million, one hundred forty thousand, two hundred seventy-seven".