321032030201 has 4 divisors (see below), whose sum is σ = 327089238372. Its totient is φ = 314974822032.

The previous prime is 321032030159. The next prime is 321032030227. The reversal of 321032030201 is 102030230123.

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 220129872400 + 100902157801 = 469180^2 + 317651^2 .

It is a cyclic number.

It is not a de Polignac number, because 321032030201 - 2¹⁰ = 321032029177 is a prime.

It is a super-2 number, since 2×321032030201² (a number of 24 digits) contains 22 as substring.

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 321032030201.

It is not an unprimeable number, because it can be changed into a prime (321032030281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3028604006 + ... + 3028604111.

It is an arithmetic number, because the mean of its divisors is an integer number (81772309593).

Almost surely, 2^321032030201 is an apocalyptic number.

It is an amenable number.

321032030201 is a deficient number, since it is larger than the sum of its proper divisors (6057208171).

321032030201 is an equidigital number, since it uses as much as digits as its factorization.

321032030201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057208170.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 321032030201 its reverse (102030230123), we get a palindrome (423062260324).

The spelling of 321032030201 in words is "three hundred twenty-one billion, thirty-two million, thirty thousand, two hundred one".