211343034 has 32 divisors (see below), whose sum is σ = 483655680. Its totient is φ = 60310512.

The previous prime is 211342939. The next prime is 211343051. The reversal of 211343034 is 430343112.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 211343034.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38727 + ... + 43845.

It is an arithmetic number, because the mean of its divisors is an integer number (15114240).

Almost surely, 2^211343034 is an apocalyptic number.

211343034 is an abundant number, since it is smaller than the sum of its proper divisors (272312646).

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

211343034 is a wasteful number, since it uses less digits than its factorization.

211343034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 211343034 is about 14537.6419683524. The cubic root of 211343034 is about 595.6566288574.

Adding to 211343034 its reverse (430343112), we get a palindrome (641686146).

The spelling of 211343034 in words is "two hundred eleven million, three hundred forty-three thousand, thirty-four".