213231334103 has 4 divisors (see below), whose sum is σ = 213233158320. Its totient is φ = 213229509888.

The previous prime is 213231334093. The next prime is 213231334153. The reversal of 213231334103 is 301433132312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213231334103 - 2³⁰ = 212157592279 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 (213231334153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723818 + ... + 974871.

It is an arithmetic number, because the mean of its divisors is an integer number (53308289580).

Almost surely, 2^213231334103 is an apocalyptic number.

213231334103 is a deficient number, since it is larger than the sum of its proper divisors (1824217).

213231334103 is a wasteful number, since it uses less digits than its factorization.

213231334103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824216.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 213231334103 its reverse (301433132312), we get a palindrome (514664466415).

The spelling of 213231334103 in words is "two hundred thirteen billion, two hundred thirty-one million, three hundred thirty-four thousand, one hundred three".