213242541342 has 16 divisors (see below), whose sum is σ = 426492864000. Its totient is φ = 71079550232.

The previous prime is 213242541287. The next prime is 213242541361. The reversal of 213242541342 is 243145242312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68659 + ... + 656657.

It is an arithmetic number, because the mean of its divisors is an integer number (26655804000).

Almost surely, 2^213242541342 is an apocalyptic number.

213242541342 is an abundant number, since it is smaller than the sum of its proper divisors (213250322658).

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

213242541342 is a wasteful number, since it uses less digits than its factorization.

213242541342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648447.

The product of its digits is 46080, while the sum is 33.

Adding to 213242541342 its reverse (243145242312), we get a palindrome (456387783654).

The spelling of 213242541342 in words is "two hundred thirteen billion, two hundred forty-two million, five hundred forty-one thousand, three hundred forty-two".