211031322230 has 32 divisors (see below), whose sum is σ = 402474769920. Its totient is φ = 79392983040.

The previous prime is 211031322223. The next prime is 211031322269. The reversal of 211031322230 is 32223130112.

211031322230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171875 + ... + 672014.

It is an arithmetic number, because the mean of its divisors is an integer number (12577336560).

Almost surely, 2^211031322230 is an apocalyptic number.

211031322230 is a deficient number, since it is larger than the sum of its proper divisors (191443447690).

211031322230 is a wasteful number, since it uses less digits than its factorization.

211031322230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845384.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 211031322230 its reverse (32223130112), we get a palindrome (243254452342).

The spelling of 211031322230 in words is "two hundred eleven billion, thirty-one million, three hundred twenty-two thousand, two hundred thirty".