2105502303 has 4 divisors (see below), whose sum is σ = 2807336408. Its totient is φ = 1403668200.

The previous prime is 2105502263. The next prime is 2105502323. The reversal of 2105502303 is 3032055012.

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

It is not a de Polignac number, because 2105502303 - 2⁶ = 2105502239 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 2105502303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105502323) 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, 350917048 + ... + 350917053.

It is an arithmetic number, because the mean of its divisors is an integer number (701834102).

Almost surely, 2^2105502303 is an apocalyptic number.

2105502303 is a deficient number, since it is larger than the sum of its proper divisors (701834105).

2105502303 is an equidigital number, since it uses as much as digits as its factorization.

2105502303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701834104.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2105502303 is about 45885.7527234762. The cubic root of 2105502303 is about 1281.6966236479.

Adding to 2105502303 its reverse (3032055012), we get a palindrome (5137557315).

The spelling of 2105502303 in words is "two billion, one hundred five million, five hundred two thousand, three hundred three".