214431105 has 24 divisors (see below), whose sum is σ = 399105792. Its totient is φ = 98025312.

The previous prime is 214431097. The next prime is 214431121. The reversal of 214431105 is 501134412.

It is not a de Polignac number, because 214431105 - 2³ = 214431097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145137 + ... + 146606.

It is an arithmetic number, because the mean of its divisors is an integer number (16629408).

Almost surely, 2^214431105 is an apocalyptic number.

It is an amenable number.

214431105 is a deficient number, since it is larger than the sum of its proper divisors (184674687).

214431105 is a wasteful number, since it uses less digits than its factorization.

214431105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291765 (or 291758 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 214431105 is about 14643.4662904655. The cubic root of 214431105 is about 598.5437880483.

Adding to 214431105 its reverse (501134412), we get a palindrome (715565517).

The spelling of 214431105 in words is "two hundred fourteen million, four hundred thirty-one thousand, one hundred five".