211312033230 has 32 divisors (see below), whose sum is σ = 519518367648. Its totient is φ = 54975488000.

The previous prime is 211312033211. The next prime is 211312033237. The reversal of 211312033230 is 32330213112.

It is a junction number, because it is equal to n+sod(n) for n = 211312033197 and 211312033206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211312033237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85897971 + ... + 85900430.

It is an arithmetic number, because the mean of its divisors is an integer number (16234948989).

Almost surely, 2^211312033230 is an apocalyptic number.

211312033230 is an abundant number, since it is smaller than the sum of its proper divisors (308206334418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211312033230 is a wasteful number, since it uses less digits than its factorization.

211312033230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171798452.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 211312033230 its reverse (32330213112), we get a palindrome (243642246342).

The spelling of 211312033230 in words is "two hundred eleven billion, three hundred twelve million, thirty-three thousand, two hundred thirty".