2103302309 has 4 divisors (see below), whose sum is σ = 2103456300. Its totient is φ = 2103148320.

The previous prime is 2103302303. The next prime is 2103302329. The reversal of 2103302309 is 9032033012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 765352225 + 1337950084 = 27665^2 + 36578^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103302309 - 2⁴ = 2103302293 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 (2103302303) 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 3 ways as a sum of consecutive naturals, for example, 54272 + ... + 84569.

It is an arithmetic number, because the mean of its divisors is an integer number (525864075).

Almost surely, 2^2103302309 is an apocalyptic number.

It is an amenable number.

2103302309 is a deficient number, since it is larger than the sum of its proper divisors (153991).

2103302309 is a wasteful number, since it uses less digits than its factorization.

2103302309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153990.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 2103302309 is about 45861.7739408322. The cubic root of 2103302309 is about 1281.2500623470.

The spelling of 2103302309 in words is "two billion, one hundred three million, three hundred two thousand, three hundred nine".