213030202303 has 2 divisors, whose sum is σ = 213030202304. Its totient is φ = 213030202302.

The previous prime is 213030202289. The next prime is 213030202337. The reversal of 213030202303 is 303202030312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213030202303 - 2²¹ = 213028105151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213030202373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106515101151 + 106515101152.

It is an arithmetic number, because the mean of its divisors is an integer number (106515101152).

Almost surely, 2^213030202303 is an apocalyptic number.

213030202303 is a deficient number, since it is larger than the sum of its proper divisors (1).

213030202303 is an equidigital number, since it uses as much as digits as its factorization.

213030202303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 213030202303 its reverse (303202030312), we get a palindrome (516232232615).

The spelling of 213030202303 in words is "two hundred thirteen billion, thirty million, two hundred two thousand, three hundred three".