213303323111 has 2 divisors, whose sum is σ = 213303323112. Its totient is φ = 213303323110.

The previous prime is 213303323021. The next prime is 213303323141. The reversal of 213303323111 is 111323303312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213303323111 - 2³⁴ = 196123453927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213303323141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106651661555 + 106651661556.

It is an arithmetic number, because the mean of its divisors is an integer number (106651661556).

Almost surely, 2^213303323111 is an apocalyptic number.

213303323111 is a deficient number, since it is larger than the sum of its proper divisors (1).

213303323111 is an equidigital number, since it uses as much as digits as its factorization.

213303323111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 213303323111 its reverse (111323303312), we get a palindrome (324626626423).

The spelling of 213303323111 in words is "two hundred thirteen billion, three hundred three million, three hundred twenty-three thousand, one hundred eleven".