213223212311 has 2 divisors, whose sum is σ = 213223212312. Its totient is φ = 213223212310.

The previous prime is 213223212299. The next prime is 213223212329. The reversal of 213223212311 is 113212322312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213223212311 - 2¹⁰ = 213223211287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213223212331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106611606155 + 106611606156.

It is an arithmetic number, because the mean of its divisors is an integer number (106611606156).

Almost surely, 2^213223212311 is an apocalyptic number.

213223212311 is a deficient number, since it is larger than the sum of its proper divisors (1).

213223212311 is an equidigital number, since it uses as much as digits as its factorization.

213223212311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

Adding to 213223212311 its reverse (113212322312), we get a palindrome (326435534623).

The spelling of 213223212311 in words is "two hundred thirteen billion, two hundred twenty-three million, two hundred twelve thousand, three hundred eleven".