231286847 has 8 divisors (see below), whose sum is σ = 253247232. Its totient is φ = 209482200.

The previous prime is 231286843. The next prime is 231286879. The reversal of 231286847 is 748682132.

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

It is a cyclic number.

It is not a de Polignac number, because 231286847 - 2² = 231286843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231286841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35813 + ... + 41774.

It is an arithmetic number, because the mean of its divisors is an integer number (31655904).

Almost surely, 2^231286847 is an apocalyptic number.

231286847 is a deficient number, since it is larger than the sum of its proper divisors (21960385).

231286847 is a wasteful number, since it uses less digits than its factorization.

231286847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77869.

The product of its digits is 129024, while the sum is 41.

The square root of 231286847 is about 15208.1177993860. The cubic root of 231286847 is about 613.8331120242.

The spelling of 231286847 in words is "two hundred thirty-one million, two hundred eighty-six thousand, eight hundred forty-seven".