231214616 has 16 divisors (see below), whose sum is σ = 447512640. Its totient is φ = 111877920.

The previous prime is 231214541. The next prime is 231214619. The reversal of 231214616 is 616412132.

231214616 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231214619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465911 + ... + 466406.

It is an arithmetic number, because the mean of its divisors is an integer number (27969540).

Almost surely, 2^231214616 is an apocalyptic number.

It is an amenable number.

231214616 is a deficient number, since it is larger than the sum of its proper divisors (216298024).

231214616 is a wasteful number, since it uses less digits than its factorization.

231214616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932354 (or 932350 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 231214616 is about 15205.7428624846. The cubic root of 231214616 is about 613.7692052399.

Adding to 231214616 its reverse (616412132), we get a palindrome (847626748).

The spelling of 231214616 in words is "two hundred thirty-one million, two hundred fourteen thousand, six hundred sixteen".