321404200031441 has 2 divisors, whose sum is σ = 321404200031442. Its totient is φ = 321404200031440.

The previous prime is 321404200031423. The next prime is 321404200031483. The reversal of 321404200031441 is 144130002404123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314548705141441 + 6855494890000 = 17735521^2 + 2618300^2 .

It is a cyclic number.

It is not a de Polignac number, because 321404200031441 - 2³⁸ = 321129322124497 is a prime.

It is not a weakly prime, because it can be changed into another prime (321404200001441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160702100015720 + 160702100015721.

It is an arithmetic number, because the mean of its divisors is an integer number (160702100015721).

Almost surely, 2^{321404200031441} is an apocalyptic number.

It is an amenable number.

321404200031441 is a deficient number, since it is larger than the sum of its proper divisors (1).

321404200031441 is an equidigital number, since it uses as much as digits as its factorization.

321404200031441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 321404200031441 its reverse (144130002404123), we get a palindrome (465534202435564).

The spelling of 321404200031441 in words is "three hundred twenty-one trillion, four hundred four billion, two hundred million, thirty-one thousand, four hundred forty-one".