23031110211 has 8 divisors (see below), whose sum is σ = 30716907264. Its totient is φ = 15349693320.

The previous prime is 23031110173. The next prime is 23031110227. The reversal of 23031110211 is 11201113032.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-23031110211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23031110251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1082751 + ... + 1103816.

It is an arithmetic number, because the mean of its divisors is an integer number (3839613408).

Almost surely, 2^23031110211 is an apocalyptic number.

23031110211 is a deficient number, since it is larger than the sum of its proper divisors (7685797053).

23031110211 is a wasteful number, since it uses less digits than its factorization.

23031110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190081.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 23031110211 its reverse (11201113032), we get a palindrome (34232223243).

The spelling of 23031110211 in words is "twenty-three billion, thirty-one million, one hundred ten thousand, two hundred eleven".