213424243132 has 12 divisors (see below), whose sum is σ = 373520607040. Its totient is φ = 106704069696.

The previous prime is 213424243117. The next prime is 213424243133. The reversal of 213424243132 is 231342424312.

213424243132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213424243094 and 213424243103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213424243133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1953132 + ... + 2059507.

Almost surely, 2^213424243132 is an apocalyptic number.

It is an amenable number.

213424243132 is a deficient number, since it is larger than the sum of its proper divisors (160096363908).

213424243132 is a wasteful number, since it uses less digits than its factorization.

213424243132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025940 (or 4025938 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

Adding to 213424243132 its reverse (231342424312), we get a palindrome (444766667444).

The spelling of 213424243132 in words is "two hundred thirteen billion, four hundred twenty-four million, two hundred forty-three thousand, one hundred thirty-two".