213431241211 has 2 divisors, whose sum is σ = 213431241212. Its totient is φ = 213431241210.

The previous prime is 213431241167. The next prime is 213431241251. The reversal of 213431241211 is 112142134312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213431241211 - 2¹³ = 213431233019 is a prime.

It is not a weakly prime, because it can be changed into another prime (213431241251) 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, 106715620605 + 106715620606.

It is an arithmetic number, because the mean of its divisors is an integer number (106715620606).

Almost surely, 2^213431241211 is an apocalyptic number.

213431241211 is a deficient number, since it is larger than the sum of its proper divisors (1).

213431241211 is an equidigital number, since it uses as much as digits as its factorization.

213431241211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 25.

Adding to 213431241211 its reverse (112142134312), we get a palindrome (325573375523).

The spelling of 213431241211 in words is "two hundred thirteen billion, four hundred thirty-one million, two hundred forty-one thousand, two hundred eleven".