211434324 has 12 divisors (see below), whose sum is σ = 493346784. Its totient is φ = 70478104.

The previous prime is 211434319. The next prime is 211434407. The reversal of 211434324 is 423434112.

211434324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 211434294 and 211434303.

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, 8809752 + ... + 8809775.

It is an arithmetic number, because the mean of its divisors is an integer number (41112232).

Almost surely, 2^211434324 is an apocalyptic number.

It is an amenable number.

211434324 is an abundant number, since it is smaller than the sum of its proper divisors (281912460).

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

211434324 is a wasteful number, since it uses less digits than its factorization.

211434324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17619534 (or 17619532 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 211434324 is about 14540.7814095392. The cubic root of 211434324 is about 595.7423814922.

Adding to 211434324 its reverse (423434112), we get a palindrome (634868436).

The spelling of 211434324 in words is "two hundred eleven million, four hundred thirty-four thousand, three hundred twenty-four".