211324530 has 32 divisors (see below), whose sum is σ = 507648384. Its totient is φ = 56301056.

The previous prime is 211324507. The next prime is 211324543. The reversal of 211324530 is 35423112.

It is a junction number, because it is equal to n+sod(n) for n = 211324497 and 211324506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38434 + ... + 43586.

It is an arithmetic number, because the mean of its divisors is an integer number (15864012).

Almost surely, 2^211324530 is an apocalyptic number.

211324530 is an abundant number, since it is smaller than the sum of its proper divisors (296323854).

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

211324530 is a wasteful number, since it uses less digits than its factorization.

211324530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6530.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 211324530 is about 14537.0055375927. The cubic root of 211324530 is about 595.6392442422.

Adding to 211324530 its reverse (35423112), we get a palindrome (246747642).

The spelling of 211324530 in words is "two hundred eleven million, three hundred twenty-four thousand, five hundred thirty".