231214336 has 36 divisors (see below), whose sum is σ = 463579200. Its totient is φ = 115092992.

The previous prime is 231214307. The next prime is 231214343. The reversal of 231214336 is 633412132.

231214336 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231214336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59295 + ... + 63073.

It is an arithmetic number, because the mean of its divisors is an integer number (12877200).

Almost surely, 2^231214336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231214336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231789600).

231214336 is an abundant number, since it is smaller than the sum of its proper divisors (232364864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231214336 is an equidigital number, since it uses as much as digits as its factorization.

231214336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034 (or 4020 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 231214336 is about 15205.7336554341. The cubic root of 231214336 is about 613.7689574825.

Adding to 231214336 its reverse (633412132), we get a palindrome (864626468).

The spelling of 231214336 in words is "two hundred thirty-one million, two hundred fourteen thousand, three hundred thirty-six".