211151230 has 64 divisors (see below), whose sum is σ = 413683200. Its totient is φ = 77414400.

The previous prime is 211151221. The next prime is 211151309. The reversal of 211151230 is 32151112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470046 + ... + 470494.

It is an arithmetic number, because the mean of its divisors is an integer number (6463800).

Almost surely, 2^211151230 is an apocalyptic number.

211151230 is a deficient number, since it is larger than the sum of its proper divisors (202531970).

211151230 is a wasteful number, since it uses less digits than its factorization.

211151230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 211151230 is about 14531.0436652018. The cubic root of 211151230 is about 595.4763786080.

The spelling of 211151230 in words is "two hundred eleven million, one hundred fifty-one thousand, two hundred thirty".