213130202303 has 4 divisors (see below), whose sum is σ = 213244360680. Its totient is φ = 213016043928.

The previous prime is 213130202287. The next prime is 213130202371. The reversal of 213130202303 is 303202031312.

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 213130202303 - 2⁴ = 213130202287 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 (213130202503) 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, 57076388 + ... + 57080121.

It is an arithmetic number, because the mean of its divisors is an integer number (53311090170).

Almost surely, 2^213130202303 is an apocalyptic number.

213130202303 is a deficient number, since it is larger than the sum of its proper divisors (114158377).

213130202303 is a wasteful number, since it uses less digits than its factorization.

213130202303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114158376.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 213130202303 its reverse (303202031312), we get a palindrome (516332233615).

The spelling of 213130202303 in words is "two hundred thirteen billion, one hundred thirty million, two hundred two thousand, three hundred three".