211304342 has 8 divisors (see below), whose sum is σ = 318135600. Its totient is φ = 105259144.

The previous prime is 211304341. The next prime is 211304347. The reversal of 211304342 is 243403112.

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 (211304341) 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, 195842 + ... + 196917.

It is an arithmetic number, because the mean of its divisors is an integer number (39766950).

Almost surely, 2^211304342 is an apocalyptic number.

211304342 is a deficient number, since it is larger than the sum of its proper divisors (106831258).

211304342 is a wasteful number, since it uses less digits than its factorization.

211304342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393030.

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

The square root of 211304342 is about 14536.3111551728. The cubic root of 211304342 is about 595.6202763417.

Adding to 211304342 its reverse (243403112), we get a palindrome (454707454).

The spelling of 211304342 in words is "two hundred eleven million, three hundred four thousand, three hundred forty-two".