231215006 has 8 divisors (see below), whose sum is σ = 378351864. Its totient is φ = 105097720.

The previous prime is 231214993. The next prime is 231215029. The reversal of 231215006 is 600512132.

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

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, 5254865 + ... + 5254908.

It is an arithmetic number, because the mean of its divisors is an integer number (47293983).

Almost surely, 2^231215006 is an apocalyptic number.

231215006 is a deficient number, since it is larger than the sum of its proper divisors (147136858).

231215006 is a wasteful number, since it uses less digits than its factorization.

231215006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10509786.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 231215006 is about 15205.7556865813. The cubic root of 231215006 is about 613.7695503304.

Adding to 231215006 its reverse (600512132), we get a palindrome (831727138).

The spelling of 231215006 in words is "two hundred thirty-one million, two hundred fifteen thousand, six".