231085448 has 32 divisors (see below), whose sum is σ = 497556000. Its totient is φ = 99509760.

The previous prime is 231085433. The next prime is 231085453. The reversal of 231085448 is 844580132.

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, 67433 + ... + 70776.

It is an arithmetic number, because the mean of its divisors is an integer number (15548625).

Almost surely, 2^231085448 is an apocalyptic number.

It is an amenable number.

231085448 is an abundant number, since it is smaller than the sum of its proper divisors (266470552).

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

231085448 is a wasteful number, since it uses less digits than its factorization.

231085448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138245 (or 138241 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 231085448 is about 15201.4949264867. The cubic root of 231085448 is about 613.6548899344.

The spelling of 231085448 in words is "two hundred thirty-one million, eighty-five thousand, four hundred forty-eight".