2130210003 has 4 divisors (see below), whose sum is σ = 2840280008. Its totient is φ = 1420140000.

The previous prime is 2130209969. The next prime is 2130210013. The reversal of 2130210003 is 3000120312.

It is a happy number.

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

It is not a de Polignac number, because 2130210003 - 2¹² = 2130205907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130210013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355034998 + ... + 355035003.

It is an arithmetic number, because the mean of its divisors is an integer number (710070002).

Almost surely, 2^2130210003 is an apocalyptic number.

2130210003 is a deficient number, since it is larger than the sum of its proper divisors (710070005).

2130210003 is an equidigital number, since it uses as much as digits as its factorization.

2130210003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710070004.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2130210003 is about 46154.1981080811. The cubic root of 2130210003 is about 1286.6906346563.

Adding to 2130210003 its reverse (3000120312), we get a palindrome (5130330315).

The spelling of 2130210003 in words is "two billion, one hundred thirty million, two hundred ten thousand, three".