213303113101 has 4 divisors (see below), whose sum is σ = 229711044892. Its totient is φ = 196895181312.

The previous prime is 213303113087. The next prime is 213303113137. The reversal of 213303113101 is 101311303312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 128953528201 + 84349584900 = 359101^2 + 290430^2 .

It is a cyclic number.

It is not a de Polignac number, because 213303113101 - 2¹³ = 213303104909 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 (213303113161) 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, 8203965876 + ... + 8203965901.

It is an arithmetic number, because the mean of its divisors is an integer number (57427761223).

Almost surely, 2^213303113101 is an apocalyptic number.

It is an amenable number.

213303113101 is a deficient number, since it is larger than the sum of its proper divisors (16407931791).

213303113101 is a wasteful number, since it uses less digits than its factorization.

213303113101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16407931790.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 213303113101 its reverse (101311303312), we get a palindrome (314614416413).

The spelling of 213303113101 in words is "two hundred thirteen billion, three hundred three million, one hundred thirteen thousand, one hundred one".