214142431 has 8 divisors (see below), whose sum is σ = 215241680. Its totient is φ = 213046848.

The previous prime is 214142363. The next prime is 214142437. The reversal of 214142431 is 134241412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214142431 - 2¹¹ = 214140383 is a prime.

It is a super-2 number, since 2×214142431² = 91713961509179522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214142437) 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 7 ways as a sum of consecutive naturals, for example, 282505 + ... + 283261.

It is an arithmetic number, because the mean of its divisors is an integer number (26905210).

Almost surely, 2^214142431 is an apocalyptic number.

214142431 is a deficient number, since it is larger than the sum of its proper divisors (1099249).

214142431 is an equidigital number, since it uses as much as digits as its factorization.

214142431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833.

The product of its digits is 768, while the sum is 22.

The square root of 214142431 is about 14633.6062199309. The cubic root of 214142431 is about 598.2750745092.

Adding to 214142431 its reverse (134241412), we get a palindrome (348383843).

The spelling of 214142431 in words is "two hundred fourteen million, one hundred forty-two thousand, four hundred thirty-one".