211300232231 has 12 divisors (see below), whose sum is σ = 232598783256. Its totient is φ = 191807307120.

The previous prime is 211300232189. The next prime is 211300232251. The reversal of 211300232231 is 132232003112.

211300232231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-211300232231 is a prime.

It is a super-2 number, since 2×211300232231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211300232251) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1207805 + ... + 1371638.

It is an arithmetic number, because the mean of its divisors is an integer number (19383231938).

Almost surely, 2^211300232231 is an apocalyptic number.

211300232231 is a deficient number, since it is larger than the sum of its proper divisors (21298551025).

211300232231 is a wasteful number, since it uses less digits than its factorization.

211300232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580142 (or 2580131 counting only the distinct ones).

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

Adding to 211300232231 its reverse (132232003112), we get a palindrome (343532235343).

The spelling of 211300232231 in words is "two hundred eleven billion, three hundred million, two hundred thirty-two thousand, two hundred thirty-one".