211214316 has 24 divisors (see below), whose sum is σ = 495687024. Its totient is φ = 69997120.

The previous prime is 211214291. The next prime is 211214357. The reversal of 211214316 is 613412112.

It is a super-2 number, since 2×211214316² = 89222974566695712, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 211214292 and 211214301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48795 + ... + 52946.

It is an arithmetic number, because the mean of its divisors is an integer number (20653626).

Almost surely, 2^211214316 is an apocalyptic number.

It is an amenable number.

211214316 is an abundant number, since it is smaller than the sum of its proper divisors (284472708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211214316 is a wasteful number, since it uses less digits than its factorization.

211214316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101921 (or 101919 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 211214316 is about 14533.2142349860. The cubic root of 211214316 is about 595.5356765216.

Adding to 211214316 its reverse (613412112), we get a palindrome (824626428).

The spelling of 211214316 in words is "two hundred eleven million, two hundred fourteen thousand, three hundred sixteen".