321203340213103 has 8 divisors (see below), whose sum is σ = 335222510767200. Its totient is φ = 307188653653728.

The previous prime is 321203340213079. The next prime is 321203340213211. The reversal of 321203340213103 is 301312043302123.

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-321203340213103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321293340213103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120852288 + ... + 1121138821.

It is an arithmetic number, because the mean of its divisors is an integer number (41902813845900).

Almost surely, 2^{321203340213103} is an apocalyptic number.

321203340213103 is a deficient number, since it is larger than the sum of its proper divisors (14019170554097).

321203340213103 is a wasteful number, since it uses less digits than its factorization.

321203340213103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241997361.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 321203340213103 its reverse (301312043302123), we get a palindrome (622515383515226).

The spelling of 321203340213103 in words is "three hundred twenty-one trillion, two hundred three billion, three hundred forty million, two hundred thirteen thousand, one hundred three".