213331213133101 has 4 divisors (see below), whose sum is σ = 243807100723552. Its totient is φ = 182855325542652.

The previous prime is 213331213133053. The next prime is 213331213133123. The reversal of 213331213133101 is 101331312133312.

It is a happy number.

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 not a de Polignac number, because 213331213133101 - 2²⁹ = 213330676262189 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 213331213133101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213331213133201) 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, 15237943795215 + ... + 15237943795228.

It is an arithmetic number, because the mean of its divisors is an integer number (60951775180888).

Almost surely, 2^{213331213133101} is an apocalyptic number.

It is an amenable number.

213331213133101 is a deficient number, since it is larger than the sum of its proper divisors (30475887590451).

213331213133101 is an equidigital number, since it uses as much as digits as its factorization.

213331213133101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30475887590450.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 213331213133101 its reverse (101331312133312), we get a palindrome (314662525266413).

The spelling of 213331213133101 in words is "two hundred thirteen trillion, three hundred thirty-one billion, two hundred thirteen million, one hundred thirty-three thousand, one hundred one".