214535231 has 4 divisors (see below), whose sum is σ = 218052264. Its totient is φ = 211018200.

The previous prime is 214535201. The next prime is 214535239. The reversal of 214535231 is 132535412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214535231 - 2²² = 210340927 is a prime.

It is a super-2 number, since 2×214535231² = 92050730680446722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214535231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214535239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1758425 + ... + 1758546.

It is an arithmetic number, because the mean of its divisors is an integer number (54513066).

Almost surely, 2^214535231 is an apocalyptic number.

214535231 is a deficient number, since it is larger than the sum of its proper divisors (3517033).

214535231 is an equidigital number, since it uses as much as digits as its factorization.

214535231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517032.

The product of its digits is 3600, while the sum is 26.

The square root of 214535231 is about 14647.0212330016. The cubic root of 214535231 is about 598.6406550353.

The spelling of 214535231 in words is "two hundred fourteen million, five hundred thirty-five thousand, two hundred thirty-one".