213100030303 has 4 divisors (see below), whose sum is σ = 220448307240. Its totient is φ = 205751753368.

The previous prime is 213100030301. The next prime is 213100030309. The reversal of 213100030303 is 303030001312.

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

It is a cyclic number.

It is not a de Polignac number, because 213100030303 - 2¹ = 213100030301 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 (213100030301) 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, 3674138425 + ... + 3674138482.

It is an arithmetic number, because the mean of its divisors is an integer number (55112076810).

Almost surely, 2^213100030303 is an apocalyptic number.

213100030303 is a deficient number, since it is larger than the sum of its proper divisors (7348276937).

213100030303 is an equidigital number, since it uses as much as digits as its factorization.

213100030303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7348276936.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 213100030303 its reverse (303030001312), we get a palindrome (516130031615).

The spelling of 213100030303 in words is "two hundred thirteen billion, one hundred million, thirty thousand, three hundred three".