231086206 has 12 divisors (see below), whose sum is σ = 375344712. Its totient is φ = 106655016.

The previous prime is 231086179. The next prime is 231086231. The reversal of 231086206 is 602680132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 341506 + ... + 342181.

It is an arithmetic number, because the mean of its divisors is an integer number (31278726).

Almost surely, 2^231086206 is an apocalyptic number.

231086206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

231086206 is a deficient number, since it is larger than the sum of its proper divisors (144258506).

231086206 is a wasteful number, since it uses less digits than its factorization.

231086206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683715 (or 683702 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 231086206 is about 15201.5198582247. The cubic root of 231086206 is about 613.6555608982.

The spelling of 231086206 in words is "two hundred thirty-one million, eighty-six thousand, two hundred six".