321321113203 has 8 divisors (see below), whose sum is σ = 338335094720. Its totient is φ = 304317366120.

The previous prime is 321321113159. The next prime is 321321113233. The reversal of 321321113203 is 302311123123.

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

It is not a de Polignac number, because 321321113203 - 2¹³ = 321321105011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321321113233) 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, 2494113 + ... + 2619778.

It is an arithmetic number, because the mean of its divisors is an integer number (42291886840).

Almost surely, 2^321321113203 is an apocalyptic number.

321321113203 is a deficient number, since it is larger than the sum of its proper divisors (17013981517).

321321113203 is a wasteful number, since it uses less digits than its factorization.

321321113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117217.

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

Adding to 321321113203 its reverse (302311123123), we get a palindrome (623632236326).

The spelling of 321321113203 in words is "three hundred twenty-one billion, three hundred twenty-one million, one hundred thirteen thousand, two hundred three".