214414431 has 32 divisors (see below), whose sum is σ = 357236736. Its totient is φ = 111132000.

The previous prime is 214414397. The next prime is 214414433. The reversal of 214414431 is 134414412.

It is not a de Polignac number, because 214414431 - 2⁶ = 214414367 is a prime.

It is a super-2 number, since 2×214414431² = 91947096442107522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214414433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145026 + ... + 146496.

It is an arithmetic number, because the mean of its divisors is an integer number (11163648).

Almost surely, 2^214414431 is an apocalyptic number.

214414431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

214414431 is a deficient number, since it is larger than the sum of its proper divisors (142822305).

214414431 is a wasteful number, since it uses less digits than its factorization.

214414431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123.

The product of its digits is 1536, while the sum is 24.

The square root of 214414431 is about 14642.8969469842. The cubic root of 214414431 is about 598.5282735425.

Adding to 214414431 its reverse (134414412), we get a palindrome (348828843).

The spelling of 214414431 in words is "two hundred fourteen million, four hundred fourteen thousand, four hundred thirty-one".