211140334 has 8 divisors (see below), whose sum is σ = 316794600. Its totient is φ = 105542136.

The previous prime is 211140233. The next prime is 211140343. The reversal of 211140334 is 433041112.

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, 2809 + ... + 20740.

It is an arithmetic number, because the mean of its divisors is an integer number (39599325).

Almost surely, 2^211140334 is an apocalyptic number.

211140334 is a deficient number, since it is larger than the sum of its proper divisors (105654266).

211140334 is a wasteful number, since it uses less digits than its factorization.

211140334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28034.

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

The square root of 211140334 is about 14530.6687389122. The cubic root of 211140334 is about 595.4661356773.

Adding to 211140334 its reverse (433041112), we get a palindrome (644181446).

The spelling of 211140334 in words is "two hundred eleven million, one hundred forty thousand, three hundred thirty-four".