321103212303 has 8 divisors (see below), whose sum is σ = 428253312816. Its totient is φ = 214010960000.

The previous prime is 321103212299. The next prime is 321103212329. The reversal of 321103212303 is 303212301123.

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

It is a cyclic number.

It is not a de Polignac number, because 321103212303 - 2² = 321103212299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321103212303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321103212343) 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, 14449098 + ... + 14471303.

It is an arithmetic number, because the mean of its divisors is an integer number (53531664102).

Almost surely, 2^321103212303 is an apocalyptic number.

321103212303 is a deficient number, since it is larger than the sum of its proper divisors (107150100513).

321103212303 is a wasteful number, since it uses less digits than its factorization.

321103212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28924105.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 321103212303 its reverse (303212301123), we get a palindrome (624315513426).

The spelling of 321103212303 in words is "three hundred twenty-one billion, one hundred three million, two hundred twelve thousand, three hundred three".