214442431 has 8 divisors (see below), whose sum is σ = 245412864. Its totient is φ = 183555960.

The previous prime is 214442413. The next prime is 214442441. The reversal of 214442431 is 134244412.

214442431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 214442431 - 2¹¹ = 214440383 is a prime.

It is a super-2 number, since 2×214442431² = 91971112426379522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214442396 and 214442405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214442441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15415 + ... + 25816.

It is an arithmetic number, because the mean of its divisors is an integer number (30676608).

Almost surely, 2^214442431 is an apocalyptic number.

214442431 is a deficient number, since it is larger than the sum of its proper divisors (30970433).

214442431 is an equidigital number, since it uses as much as digits as its factorization.

214442431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41981.

The product of its digits is 3072, while the sum is 25.

The square root of 214442431 is about 14643.8530107346. The cubic root of 214442431 is about 598.5543259902.

Adding to 214442431 its reverse (134244412), we get a palindrome (348686843).

The spelling of 214442431 in words is "two hundred fourteen million, four hundred forty-two thousand, four hundred thirty-one".