321301001321 has 4 divisors (see below), whose sum is σ = 322486614144. Its totient is φ = 320115388500.

The previous prime is 321301001261. The next prime is 321301001383. The reversal of 321301001321 is 123100103123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123100103123 = 3797 ⋅32420359.

It is a cyclic number.

It is not a de Polignac number, because 321301001321 - 2⁶ = 321301001257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321301001321.

It is not an unprimeable number, because it can be changed into a prime (321301001221) 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 in 3 ways as a sum of consecutive naturals, for example, 592806005 + ... + 592806546.

It is an arithmetic number, because the mean of its divisors is an integer number (80621653536).

Almost surely, 2^321301001321 is an apocalyptic number.

It is an amenable number.

321301001321 is a deficient number, since it is larger than the sum of its proper divisors (1185612823).

321301001321 is a wasteful number, since it uses less digits than its factorization.

321301001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185612822.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 321301001321 its reverse (123100103123), we get a palindrome (444401104444).

The spelling of 321301001321 in words is "three hundred twenty-one billion, three hundred one million, one thousand, three hundred twenty-one".