211404324342 has 8 divisors (see below), whose sum is σ = 422808648696. Its totient is φ = 70468108112.

The previous prime is 211404324337. The next prime is 211404324371. The reversal of 211404324342 is 243423404112.

It is a sphenic number, since it is the product of 3 distinct primes.

211404324342 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17617027023 + ... + 17617027034.

It is an arithmetic number, because the mean of its divisors is an integer number (52851081087).

Almost surely, 2^211404324342 is an apocalyptic number.

211404324342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

211404324342 is a wasteful number, since it uses less digits than its factorization.

211404324342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35234054062.

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

Adding to 211404324342 its reverse (243423404112), we get a palindrome (454827728454).

The spelling of 211404324342 in words is "two hundred eleven billion, four hundred four million, three hundred twenty-four thousand, three hundred forty-two".