211430342 has 8 divisors (see below), whose sum is σ = 318789336. Its totient is φ = 105167232.

The previous prime is 211430341. The next prime is 211430357. The reversal of 211430342 is 243034112.

211430342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211430341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273488 + ... + 274259.

It is an arithmetic number, because the mean of its divisors is an integer number (39848667).

Almost surely, 2^211430342 is an apocalyptic number.

211430342 is a deficient number, since it is larger than the sum of its proper divisors (107358994).

211430342 is a wasteful number, since it uses less digits than its factorization.

211430342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547942.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 211430342 is about 14540.6444836534. The cubic root of 211430342 is about 595.7386415427.

Adding to 211430342 its reverse (243034112), we get a palindrome (454464454).

The spelling of 211430342 in words is "two hundred eleven million, four hundred thirty thousand, three hundred forty-two".