213213102103 has 4 divisors (see below), whose sum is σ = 213214430808. Its totient is φ = 213211773400.

The previous prime is 213213102071. The next prime is 213213102127. The reversal of 213213102103 is 301201312312.

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 213213102103 - 2⁵ = 213213102071 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 (213213102143) 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, 384301 + ... + 757702.

It is an arithmetic number, because the mean of its divisors is an integer number (53303607702).

Almost surely, 2^213213102103 is an apocalyptic number.

213213102103 is a deficient number, since it is larger than the sum of its proper divisors (1328705).

213213102103 is a wasteful number, since it uses less digits than its factorization.

213213102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328704.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213213102103 its reverse (301201312312), we get a palindrome (514414414415).

The spelling of 213213102103 in words is "two hundred thirteen billion, two hundred thirteen million, one hundred two thousand, one hundred three".