231615006 has 16 divisors (see below), whose sum is σ = 529405824. Its totient is φ = 66175704.

The previous prime is 231614989. The next prime is 231615017. The reversal of 231615006 is 600516132.

It is a super-2 number, since 2×231615006² = 107291022008760072, which contains 22 as substring.

It is a congruent number.

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, 2757280 + ... + 2757363.

It is an arithmetic number, because the mean of its divisors is an integer number (33087864).

Almost surely, 2^231615006 is an apocalyptic number.

231615006 is an abundant number, since it is smaller than the sum of its proper divisors (297790818).

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

231615006 is a wasteful number, since it uses less digits than its factorization.

231615006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514655.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 231615006 is about 15218.9029170962. The cubic root of 231615006 is about 614.1232851287.

The spelling of 231615006 in words is "two hundred thirty-one million, six hundred fifteen thousand, six".