2103320321 has 8 divisors (see below), whose sum is σ = 2138595264. Its totient is φ = 2068071120.

The previous prime is 2103320287. The next prime is 2103320383. The reversal of 2103320321 is 1230233012.

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 2103320321 - 2¹⁰ = 2103319297 is a prime.

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 2103320321.

It is not an unprimeable number, because it can be changed into a prime (2103320221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230186 + ... + 239148.

It is an arithmetic number, because the mean of its divisors is an integer number (267324408).

Almost surely, 2^2103320321 is an apocalyptic number.

It is an amenable number.

2103320321 is a deficient number, since it is larger than the sum of its proper divisors (35274943).

2103320321 is an equidigital number, since it uses as much as digits as its factorization.

2103320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12871.

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

The square root of 2103320321 is about 45861.9703131036. The cubic root of 2103320321 is about 1281.2537197401.

Adding to 2103320321 its reverse (1230233012), we get a palindrome (3333553333).

The spelling of 2103320321 in words is "two billion, one hundred three million, three hundred twenty thousand, three hundred twenty-one".