321231121301 has 2 divisors, whose sum is σ = 321231121302. Its totient is φ = 321231121300.

The previous prime is 321231121283. The next prime is 321231121331. The reversal of 321231121301 is 103121132123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235250220676 + 85980900625 = 485026^2 + 293225^2 .

It is a cyclic number.

It is not a de Polignac number, because 321231121301 - 2³⁸ = 46353214357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321231121331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160615560650 + 160615560651.

It is an arithmetic number, because the mean of its divisors is an integer number (160615560651).

Almost surely, 2^321231121301 is an apocalyptic number.

It is an amenable number.

321231121301 is a deficient number, since it is larger than the sum of its proper divisors (1).

321231121301 is an equidigital number, since it uses as much as digits as its factorization.

321231121301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 321231121301 its reverse (103121132123), we get a palindrome (424352253424).

The spelling of 321231121301 in words is "three hundred twenty-one billion, two hundred thirty-one million, one hundred twenty-one thousand, three hundred one".