213131201133 has 16 divisors (see below), whose sum is σ = 288872524800. Its totient is φ = 139755390720.

The previous prime is 213131201119. The next prime is 213131201161. The reversal of 213131201133 is 331102131312.

It is a happy number.

It is not a de Polignac number, because 213131201133 - 2¹⁰ = 213131200109 is a prime.

It is a super-3 number, since 3×213131201133³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213131201183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2038648 + ... + 2140641.

It is an arithmetic number, because the mean of its divisors is an integer number (18054532800).

Almost surely, 2^213131201133 is an apocalyptic number.

It is an amenable number.

213131201133 is a deficient number, since it is larger than the sum of its proper divisors (75741323667).

213131201133 is a wasteful number, since it uses less digits than its factorization.

213131201133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179572.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 213131201133 its reverse (331102131312), we get a palindrome (544233332445).

The spelling of 213131201133 in words is "two hundred thirteen billion, one hundred thirty-one million, two hundred one thousand, one hundred thirty-three".