214431112 has 48 divisors (see below), whose sum is σ = 484997760. Its totient is φ = 87054048.

The previous prime is 214431097. The next prime is 214431121. The reversal of 214431112 is 211134412.

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

It is a self number, because there is not a number n which added to its sum of digits gives 214431112.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14913 + ... + 25519.

It is an arithmetic number, because the mean of its divisors is an integer number (10104120).

Almost surely, 2^214431112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214431112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242498880).

214431112 is an abundant number, since it is smaller than the sum of its proper divisors (270566648).

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

214431112 is a wasteful number, since it uses less digits than its factorization.

214431112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10658 (or 10635 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 214431112 is about 14643.4665294800. The cubic root of 214431112 is about 598.5437945613.

Adding to 214431112 its reverse (211134412), we get a palindrome (425565524).

The spelling of 214431112 in words is "two hundred fourteen million, four hundred thirty-one thousand, one hundred twelve".