211030432 has 24 divisors (see below), whose sum is σ = 415800000. Its totient is φ = 105430464.

The previous prime is 211030399. The next prime is 211030441. The reversal of 211030432 is 234030112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 62319 + ... + 65617.

It is an arithmetic number, because the mean of its divisors is an integer number (17325000).

Almost surely, 2^211030432 is an apocalyptic number.

It is an amenable number.

211030432 is a deficient number, since it is larger than the sum of its proper divisors (204769568).

211030432 is a wasteful number, since it uses less digits than its factorization.

211030432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5308 (or 5300 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 211030432 is about 14526.8865212061. The cubic root of 211030432 is about 595.3628011226.

Adding to 211030432 its reverse (234030112), we get a palindrome (445060544).

The spelling of 211030432 in words is "two hundred eleven million, thirty thousand, four hundred thirty-two".