321243341063 has 2 divisors, whose sum is σ = 321243341064. Its totient is φ = 321243341062.

The previous prime is 321243340987. The next prime is 321243341099. The reversal of 321243341063 is 360143342123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321243341063 - 2²⁰ = 321242292487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321243341663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160621670531 + 160621670532.

It is an arithmetic number, because the mean of its divisors is an integer number (160621670532).

Almost surely, 2^321243341063 is an apocalyptic number.

321243341063 is a deficient number, since it is larger than the sum of its proper divisors (1).

321243341063 is an equidigital number, since it uses as much as digits as its factorization.

321243341063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 321243341063 its reverse (360143342123), we get a palindrome (681386683186).

The spelling of 321243341063 in words is "three hundred twenty-one billion, two hundred forty-three million, three hundred forty-one thousand, sixty-three".