231235214 has 48 divisors (see below), whose sum is σ = 413683200. Its totient is φ = 96631920.

The previous prime is 231235171. The next prime is 231235229. The reversal of 231235214 is 412532132.

It is a self number, because there is not a number n which added to its sum of digits gives 231235214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1161887 + ... + 1162085.

It is an arithmetic number, because the mean of its divisors is an integer number (8618400).

Almost surely, 2^231235214 is an apocalyptic number.

231235214 is a deficient number, since it is larger than the sum of its proper divisors (182447986).

231235214 is a wasteful number, since it uses less digits than its factorization.

231235214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 446 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 231235214 is about 15206.4201572888. The cubic root of 231235214 is about 613.7874307929.

Adding to 231235214 its reverse (412532132), we get a palindrome (643767346).

The spelling of 231235214 in words is "two hundred thirty-one million, two hundred thirty-five thousand, two hundred fourteen".