2103303421 has 4 divisors (see below), whose sum is σ = 2109658144. Its totient is φ = 2096948700.

The previous prime is 2103303343. The next prime is 2103303431. The reversal of 2103303421 is 1243033012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2103303421 - 2¹⁷ = 2103172349 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 (2103303431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3176865 + ... + 3177526.

It is an arithmetic number, because the mean of its divisors is an integer number (527414536).

Almost surely, 2^2103303421 is an apocalyptic number.

It is an amenable number.

2103303421 is a deficient number, since it is larger than the sum of its proper divisors (6354723).

2103303421 is an equidigital number, since it uses as much as digits as its factorization.

2103303421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354722.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2103303421 is about 45861.7860642169. The cubic root of 2103303421 is about 1281.2502881427.

Adding to 2103303421 its reverse (1243033012), we get a palindrome (3346336433).

The spelling of 2103303421 in words is "two billion, one hundred three million, three hundred three thousand, four hundred twenty-one".