211344342 has 16 divisors (see below), whose sum is σ = 461115072. Its totient is φ = 64043720.

The previous prime is 211344319. The next prime is 211344347. The reversal of 211344342 is 243443112.

211344342 is digitally balanced in base 3, 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 (211344347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1601028 + ... + 1601159.

It is an arithmetic number, because the mean of its divisors is an integer number (28819692).

Almost surely, 2^211344342 is an apocalyptic number.

211344342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211344342 is an abundant number, since it is smaller than the sum of its proper divisors (249770730).

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

211344342 is a wasteful number, since it uses less digits than its factorization.

211344342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202203.

The product of its digits is 2304, while the sum is 24.

The square root of 211344342 is about 14537.6869549458. The cubic root of 211344342 is about 595.6578576925.

Adding to 211344342 its reverse (243443112), we get a palindrome (454787454).

The spelling of 211344342 in words is "two hundred eleven million, three hundred forty-four thousand, three hundred forty-two".