231295855 has 16 divisors (see below), whose sum is σ = 317459520. Its totient is φ = 158476032.

The previous prime is 231295853. The next prime is 231295969. The reversal of 231295855 is 558592132.

It is a cyclic number.

It is not a de Polignac number, because 231295855 - 2¹ = 231295853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231295853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69387 + ... + 72643.

It is an arithmetic number, because the mean of its divisors is an integer number (19841220).

Almost surely, 2^231295855 is an apocalyptic number.

231295855 is a deficient number, since it is larger than the sum of its proper divisors (86163665).

231295855 is a wasteful number, since it uses less digits than its factorization.

231295855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298.

The product of its digits is 108000, while the sum is 40.

The square root of 231295855 is about 15208.4139541242. The cubic root of 231295855 is about 613.8410809698.

The spelling of 231295855 in words is "two hundred thirty-one million, two hundred ninety-five thousand, eight hundred fifty-five".