321123022303231 has 2 divisors, whose sum is σ = 321123022303232. Its totient is φ = 321123022303230.

The previous prime is 321123022303147. The next prime is 321123022303261. The reversal of 321123022303231 is 132303220321123.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321123022303231 - 2²⁵ = 321122988748799 is a prime.

It is a super-2 number, since 2×321123022303231² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321123022303231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321123022303261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160561511151615 + 160561511151616.

It is an arithmetic number, because the mean of its divisors is an integer number (160561511151616).

Almost surely, 2^{321123022303231} is an apocalyptic number.

321123022303231 is a deficient number, since it is larger than the sum of its proper divisors (1).

321123022303231 is an equidigital number, since it uses as much as digits as its factorization.

321123022303231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 321123022303231 its reverse (132303220321123), we get a palindrome (453426242624354).

The spelling of 321123022303231 in words is "three hundred twenty-one trillion, one hundred twenty-three billion, twenty-two million, three hundred three thousand, two hundred thirty-one".