231508255 has 16 divisors (see below), whose sum is σ = 319017600. Its totient is φ = 159507360.

The previous prime is 231508241. The next prime is 231508273. The reversal of 231508255 is 552805132.

It is not a de Polignac number, because 231508255 - 2²⁵ = 197953823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109725 + ... + 111814.

It is an arithmetic number, because the mean of its divisors is an integer number (19938600).

Almost surely, 2^231508255 is an apocalyptic number.

231508255 is a deficient number, since it is larger than the sum of its proper divisors (87509345).

231508255 is a wasteful number, since it uses less digits than its factorization.

231508255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221574.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 231508255 is about 15215.3953284165. The cubic root of 231508255 is about 614.0289211373.

The spelling of 231508255 in words is "two hundred thirty-one million, five hundred eight thousand, two hundred fifty-five".