211830483 has 16 divisors (see below), whose sum is σ = 299126016. Its totient is φ = 133061280.

The previous prime is 211830481. The next prime is 211830499. The reversal of 211830483 is 384038112.

It is not a de Polignac number, because 211830483 - 2¹ = 211830481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211830483.

It is not an unprimeable number, because it can be changed into a prime (211830481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18288 + ... + 27533.

It is an arithmetic number, because the mean of its divisors is an integer number (18695376).

Almost surely, 2^211830483 is an apocalyptic number.

211830483 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211830483 is a deficient number, since it is larger than the sum of its proper divisors (87295533).

211830483 is a wasteful number, since it uses less digits than its factorization.

211830483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45914.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 211830483 is about 14554.3973767381. The cubic root of 211830483 is about 596.1142250254.

Adding to 211830483 its reverse (384038112), we get a palindrome (595868595).

The spelling of 211830483 in words is "two hundred eleven million, eight hundred thirty thousand, four hundred eighty-three".