213231011103 has 24 divisors (see below), whose sum is σ = 346839108096. Its totient is φ = 125062174800.

The previous prime is 213231011093. The next prime is 213231011107. The reversal of 213231011103 is 301110132312.

213231011103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213231011103 - 2⁴ = 213231011087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213231011107) 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 23 ways as a sum of consecutive naturals, for example, 34736425 + ... + 34742562.

It is an arithmetic number, because the mean of its divisors is an integer number (14451629504).

Almost surely, 2^213231011103 is an apocalyptic number.

213231011103 is a deficient number, since it is larger than the sum of its proper divisors (133608096993).

213231011103 is a wasteful number, since it uses less digits than its factorization.

213231011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69479035 (or 69479032 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 213231011103 its reverse (301110132312), we get a palindrome (514341143415).

The spelling of 213231011103 in words is "two hundred thirteen billion, two hundred thirty-one million, eleven thousand, one hundred three".