213131423424223 has 16 divisors (see below), whose sum is σ = 231658096665600. Its totient is φ = 195339732719040.

The previous prime is 213131423424133. The next prime is 213131423424281. The reversal of 213131423424223 is 322424324131312.

It is not a de Polignac number, because 213131423424223 - 2²⁵ = 213131389869791 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 (213131423424323) 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, 54490861 + ... + 58271062.

It is an arithmetic number, because the mean of its divisors is an integer number (14478631041600).

Almost surely, 2^{213131423424223} is an apocalyptic number.

213131423424223 is a deficient number, since it is larger than the sum of its proper divisors (18526673241377).

213131423424223 is a wasteful number, since it uses less digits than its factorization.

213131423424223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112765182.

The product of its digits is 165888, while the sum is 37.

Adding to 213131423424223 its reverse (322424324131312), we get a palindrome (535555747555535).

The spelling of 213131423424223 in words is "two hundred thirteen trillion, one hundred thirty-one billion, four hundred twenty-three million, four hundred twenty-four thousand, two hundred twenty-three".