231232106 has 8 divisors (see below), whose sum is σ = 396397920. Its totient is φ = 99099468.

The previous prime is 231232097. The next prime is 231232117. The reversal of 231232106 is 601232132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8258276 + ... + 8258303.

It is an arithmetic number, because the mean of its divisors is an integer number (49549740).

Almost surely, 2^231232106 is an apocalyptic number.

231232106 is a deficient number, since it is larger than the sum of its proper divisors (165165814).

231232106 is a wasteful number, since it uses less digits than its factorization.

231232106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16516588.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 231232106 is about 15206.3179632678. The cubic root of 231232106 is about 613.7846808371.

Adding to 231232106 its reverse (601232132), we get a palindrome (832464238).

The spelling of 231232106 in words is "two hundred thirty-one million, two hundred thirty-two thousand, one hundred six".