231408506 has 16 divisors (see below), whose sum is σ = 396895680. Its totient is φ = 99126240.

The previous prime is 231408491. The next prime is 231408517. The reversal of 231408506 is 605804132.

231408506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52205 + ... + 56463.

It is an arithmetic number, because the mean of its divisors is an integer number (24805980).

Almost surely, 2^231408506 is an apocalyptic number.

231408506 is a deficient number, since it is larger than the sum of its proper divisors (165487174).

231408506 is a wasteful number, since it uses less digits than its factorization.

231408506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8149.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 231408506 is about 15212.1170781716. The cubic root of 231408506 is about 613.9407204385.

The spelling of 231408506 in words is "two hundred thirty-one million, four hundred eight thousand, five hundred six".