213220303271 has 2 divisors, whose sum is σ = 213220303272. Its totient is φ = 213220303270.

The previous prime is 213220303157. The next prime is 213220303291. The reversal of 213220303271 is 172303022312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213220303271 - 2¹⁰ = 213220302247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213220303271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213220303291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106610151635 + 106610151636.

It is an arithmetic number, because the mean of its divisors is an integer number (106610151636).

Almost surely, 2^213220303271 is an apocalyptic number.

213220303271 is a deficient number, since it is larger than the sum of its proper divisors (1).

213220303271 is an equidigital number, since it uses as much as digits as its factorization.

213220303271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 213220303271 its reverse (172303022312), we get a palindrome (385523325583).

The spelling of 213220303271 in words is "two hundred thirteen billion, two hundred twenty million, three hundred three thousand, two hundred seventy-one".