321312030301201 has 4 divisors (see below), whose sum is σ = 321313275988452. Its totient is φ = 321310784613952.

The previous prime is 321312030301189. The next prime is 321312030301217. The reversal of 321312030301201 is 102103030213123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 144299675750400 + 177012354550801 = 12012480^2 + 13304599^2 .

It is a cyclic number.

It is not a de Polignac number, because 321312030301201 - 2³⁵ = 321277670562833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321312030301901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622456636 + ... + 622972621.

It is an arithmetic number, because the mean of its divisors is an integer number (80328318997113).

Almost surely, 2^{321312030301201} is an apocalyptic number.

It is an amenable number.

321312030301201 is a deficient number, since it is larger than the sum of its proper divisors (1245687251).

321312030301201 is a wasteful number, since it uses less digits than its factorization.

321312030301201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245687250.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 321312030301201 its reverse (102103030213123), we get a palindrome (423415060514324).

The spelling of 321312030301201 in words is "three hundred twenty-one trillion, three hundred twelve billion, thirty million, three hundred one thousand, two hundred one".