211231333103 has 16 divisors (see below), whose sum is σ = 246604455936. Its totient is φ = 177175358880.

The previous prime is 211231333099. The next prime is 211231333123. The reversal of 211231333103 is 301333132112.

It is a cyclic number.

It is not a de Polignac number, because 211231333103 - 2² = 211231333099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211231333123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601193 + ... + 885378.

It is an arithmetic number, because the mean of its divisors is an integer number (15412778496).

Almost surely, 2^211231333103 is an apocalyptic number.

211231333103 is a deficient number, since it is larger than the sum of its proper divisors (35373122833).

211231333103 is a wasteful number, since it uses less digits than its factorization.

211231333103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487014.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 211231333103 its reverse (301333132112), we get a palindrome (512564465215).

The spelling of 211231333103 in words is "two hundred eleven billion, two hundred thirty-one million, three hundred thirty-three thousand, one hundred three".