213421224342 has 16 divisors (see below), whose sum is σ = 449307840960. Its totient is φ = 67396176072.

The previous prime is 213421224337. The next prime is 213421224343. The reversal of 213421224342 is 243422124312.

213421224342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213421224343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936057888 + ... + 936058115.

It is an arithmetic number, because the mean of its divisors is an integer number (28081740060).

Almost surely, 2^213421224342 is an apocalyptic number.

213421224342 is an abundant number, since it is smaller than the sum of its proper divisors (235886616618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213421224342 is a wasteful number, since it uses less digits than its factorization.

213421224342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872116027.

The product of its digits is 18432, while the sum is 30.

Adding to 213421224342 its reverse (243422124312), we get a palindrome (456843348654).

The spelling of 213421224342 in words is "two hundred thirteen billion, four hundred twenty-one million, two hundred twenty-four thousand, three hundred forty-two".