321013330123001 has 2 divisors, whose sum is σ = 321013330123002. Its totient is φ = 321013330123000.

The previous prime is 321013330122997. The next prime is 321013330123019. The reversal of 321013330123001 is 100321033310123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310065470472976 + 10947859650025 = 17608676^2 + 3308755^2 .

It is a cyclic number.

It is not a de Polignac number, because 321013330123001 - 2² = 321013330122997 is a prime.

It is not a weakly prime, because it can be changed into another prime (321013330126001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160506665061500 + 160506665061501.

It is an arithmetic number, because the mean of its divisors is an integer number (160506665061501).

Almost surely, 2^{321013330123001} is an apocalyptic number.

It is an amenable number.

321013330123001 is a deficient number, since it is larger than the sum of its proper divisors (1).

321013330123001 is an equidigital number, since it uses as much as digits as its factorization.

321013330123001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 321013330123001 its reverse (100321033310123), we get a palindrome (421334363433124).

The spelling of 321013330123001 in words is "three hundred twenty-one trillion, thirteen billion, three hundred thirty million, one hundred twenty-three thousand, one".