213103230101 has 4 divisors (see below), whose sum is σ = 224319189600. Its totient is φ = 201887270604.

The previous prime is 213103230079. The next prime is 213103230107. The reversal of 213103230101 is 101032301312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213103230101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213103230101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213103230107) 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, 5607979721 + ... + 5607979758.

It is an arithmetic number, because the mean of its divisors is an integer number (56079797400).

Almost surely, 2^213103230101 is an apocalyptic number.

It is an amenable number.

213103230101 is a deficient number, since it is larger than the sum of its proper divisors (11215959499).

213103230101 is a wasteful number, since it uses less digits than its factorization.

213103230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11215959498.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 213103230101 its reverse (101032301312), we get a palindrome (314135531413).

The spelling of 213103230101 in words is "two hundred thirteen billion, one hundred three million, two hundred thirty thousand, one hundred one".