220031434211 has 2 divisors, whose sum is σ = 220031434212. Its totient is φ = 220031434210.

The previous prime is 220031434159. The next prime is 220031434241. The reversal of 220031434211 is 112434130022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220031434211 - 2¹⁰ = 220031433187 is a prime.

It is not a weakly prime, because it can be changed into another prime (220031434241) 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, 110015717105 + 110015717106.

It is an arithmetic number, because the mean of its divisors is an integer number (110015717106).

Almost surely, 2^220031434211 is an apocalyptic number.

220031434211 is a deficient number, since it is larger than the sum of its proper divisors (1).

220031434211 is an equidigital number, since it uses as much as digits as its factorization.

220031434211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 220031434211 its reverse (112434130022), we get a palindrome (332465564233).

The spelling of 220031434211 in words is "two hundred twenty billion, thirty-one million, four hundred thirty-four thousand, two hundred eleven".