2130303 has 16 divisors (see below), whose sum is σ = 3301376. Its totient is φ = 1196640.

The previous prime is 2130269. The next prime is 2130307. The reversal of 2130303 is 3030312.

It is a happy number.

It is not a de Polignac number, because 2130303 - 2⁶ = 2130239 is a prime.

It is a Duffinian number.

2130303 is a modest number, since divided by 303 gives 213 as remainder.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450 + ... + 2112.

It is an arithmetic number, because the mean of its divisors is an integer number (206336).

2^2130303 is an apocalyptic number.

2130303 is a deficient number, since it is larger than the sum of its proper divisors (1171073).

2130303 is a wasteful number, since it uses less digits than its factorization.

2130303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 2130303 is about 1459.5557543307. Note that the first 3 decimals coincide. The cubic root of 2130303 is about 128.6709358417.

Adding to 2130303 its reverse (3030312), we get a palindrome (5160615).

Subtracting 2130303 from its reverse (3030312), we obtain a palindrome (900009).

It can be divided in two parts, 2 and 130303, that added together give a triangular number (130305 = T₅₁₀).

The spelling of 2130303 in words is "two million, one hundred thirty thousand, three hundred three".