321123302201 has 8 divisors (see below), whose sum is σ = 345832899720. Its totient is φ = 296414819712.

The previous prime is 321123302191. The next prime is 321123302209. The reversal of 321123302201 is 102203321123.

It can be written as a sum of positive squares in 4 ways, for example, as 148024867600 + 173098434601 = 384740^2 + 416051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321123302201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321123302209) 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 7 ways as a sum of consecutive naturals, for example, 376445 + ... + 885413.

It is an arithmetic number, because the mean of its divisors is an integer number (43229112465).

Almost surely, 2^321123302201 is an apocalyptic number.

It is an amenable number.

321123302201 is a deficient number, since it is larger than the sum of its proper divisors (24709597519).

321123302201 is a wasteful number, since it uses less digits than its factorization.

321123302201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557515.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 321123302201 its reverse (102203321123), we get a palindrome (423326623324).

The spelling of 321123302201 in words is "three hundred twenty-one billion, one hundred twenty-three million, three hundred two thousand, two hundred one".