213545034224231 has 16 divisors (see below), whose sum is σ = 221702598125568. Its totient is φ = 205539256255200.

The previous prime is 213545034224183. The next prime is 213545034224243. The reversal of 213545034224231 is 132422430545312.

It is a cyclic number.

It is not a de Polignac number, because 213545034224231 - 2⁶ = 213545034224167 is a prime.

It is a super-2 number, since 2×213545034224231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213545034254231) 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, 9852356 + ... + 22894518.

It is an arithmetic number, because the mean of its divisors is an integer number (13856412382848).

Almost surely, 2^{213545034224231} is an apocalyptic number.

213545034224231 is a deficient number, since it is larger than the sum of its proper divisors (8157563901337).

213545034224231 is a wasteful number, since it uses less digits than its factorization.

213545034224231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13047982.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 213545034224231 its reverse (132422430545312), we get a palindrome (345967464769543).

The spelling of 213545034224231 in words is "two hundred thirteen trillion, five hundred forty-five billion, thirty-four million, two hundred twenty-four thousand, two hundred thirty-one".