214401231 has 18 divisors (see below), whose sum is σ = 340405520. Its totient is φ = 129939480.

The previous prime is 214401227. The next prime is 214401269. The reversal of 214401231 is 132104412.

214401231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 214401231 - 2² = 214401227 is a prime.

It is a super-2 number, since 2×214401231² = 91935775708630722, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214401431) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 97351 + ... + 99528.

Almost surely, 2^214401231 is an apocalyptic number.

214401231 is a deficient number, since it is larger than the sum of its proper divisors (126004289).

214401231 is a wasteful number, since it uses less digits than its factorization.

214401231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196907 (or 196893 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 214401231 is about 14642.4462095648. The cubic root of 214401231 is about 598.5159908877.

Adding to 214401231 its reverse (132104412), we get a palindrome (346505643).

The spelling of 214401231 in words is "two hundred fourteen million, four hundred one thousand, two hundred thirty-one".