211031230233 has 8 divisors (see below), whose sum is σ = 281390433408. Its totient is φ = 140679756944.

The previous prime is 211031230199. The next prime is 211031230237. The reversal of 211031230233 is 332032130112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211031230233 - 2⁸ = 211031229977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211031230237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868466 + ... + 1978187.

It is an arithmetic number, because the mean of its divisors is an integer number (35173804176).

Almost surely, 2^211031230233 is an apocalyptic number.

It is an amenable number.

211031230233 is a deficient number, since it is larger than the sum of its proper divisors (70359203175).

211031230233 is a wasteful number, since it uses less digits than its factorization.

211031230233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864943.

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

Adding to 211031230233 its reverse (332032130112), we get a palindrome (543063360345).

The spelling of 211031230233 in words is "two hundred eleven billion, thirty-one million, two hundred thirty thousand, two hundred thirty-three".