211430134 has 8 divisors (see below), whose sum is σ = 320055120. Its totient is φ = 104745096.

The previous prime is 211430129. The next prime is 211430143. The reversal of 211430134 is 431034112.

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

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, 484714 + ... + 485149.

It is an arithmetic number, because the mean of its divisors is an integer number (40006890).

Almost surely, 2^211430134 is an apocalyptic number.

211430134 is a deficient number, since it is larger than the sum of its proper divisors (108624986).

211430134 is a wasteful number, since it uses less digits than its factorization.

211430134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969974.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 211430134 is about 14540.6373312864. The cubic root of 211430134 is about 595.7384461850.

Adding to 211430134 its reverse (431034112), we get a palindrome (642464246).

The spelling of 211430134 in words is "two hundred eleven million, four hundred thirty thousand, one hundred thirty-four".