213403330271 has 2 divisors, whose sum is σ = 213403330272. Its totient is φ = 213403330270.

The previous prime is 213403330213. The next prime is 213403330319. The reversal of 213403330271 is 172033304312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213403330271 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213403330771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106701665135 + 106701665136.

It is an arithmetic number, because the mean of its divisors is an integer number (106701665136).

Almost surely, 2^213403330271 is an apocalyptic number.

213403330271 is a deficient number, since it is larger than the sum of its proper divisors (1).

213403330271 is an equidigital number, since it uses as much as digits as its factorization.

213403330271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 213403330271 its reverse (172033304312), we get a palindrome (385436634583).

The spelling of 213403330271 in words is "two hundred thirteen billion, four hundred three million, three hundred thirty thousand, two hundred seventy-one".