211313333320223 has 2 divisors, whose sum is σ = 211313333320224. Its totient is φ = 211313333320222.

The previous prime is 211313333320183. The next prime is 211313333320249. The reversal of 211313333320223 is 322023333313112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211313333320223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211313333320223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211313333320723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105656666660111 + 105656666660112.

It is an arithmetic number, because the mean of its divisors is an integer number (105656666660112).

Almost surely, 2^{211313333320223} is an apocalyptic number.

211313333320223 is a deficient number, since it is larger than the sum of its proper divisors (1).

211313333320223 is an equidigital number, since it uses as much as digits as its factorization.

211313333320223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 211313333320223 its reverse (322023333313112), we get a palindrome (533336666633335).

The spelling of 211313333320223 in words is "two hundred eleven trillion, three hundred thirteen billion, three hundred thirty-three million, three hundred twenty thousand, two hundred twenty-three".