211313230 has 32 divisors (see below), whose sum is σ = 406537056. Its totient is φ = 78802944.

The previous prime is 211313209. The next prime is 211313257. The reversal of 211313230 is 32313112.

It is a congruent number.

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, 12382 + ... + 23998.

It is an arithmetic number, because the mean of its divisors is an integer number (12704283).

Almost surely, 2^211313230 is an apocalyptic number.

211313230 is a deficient number, since it is larger than the sum of its proper divisors (195223826).

211313230 is a wasteful number, since it uses less digits than its factorization.

211313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11748.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 211313230 is about 14536.6168691343. The cubic root of 211313230 is about 595.6286273276.

Adding to 211313230 its reverse (32313112), we get a palindrome (243626342).

The spelling of 211313230 in words is "two hundred eleven million, three hundred thirteen thousand, two hundred thirty".