211414330 has 16 divisors (see below), whose sum is σ = 400574880. Its totient is φ = 80114832.

The previous prime is 211414309. The next prime is 211414339. The reversal of 211414330 is 33414112.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 211414298 and 211414307.

It is not an unprimeable number, because it can be changed into a prime (211414339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556164 + ... + 556543.

It is an arithmetic number, because the mean of its divisors is an integer number (25035930).

Almost surely, 2^211414330 is an apocalyptic number.

211414330 is a deficient number, since it is larger than the sum of its proper divisors (189160550).

211414330 is a wasteful number, since it uses less digits than its factorization.

211414330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112733.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 211414330 is about 14540.0938786515. The cubic root of 211414330 is about 595.7236023769.

Adding to 211414330 its reverse (33414112), we get a palindrome (244828442).

The spelling of 211414330 in words is "two hundred eleven million, four hundred fourteen thousand, three hundred thirty".