231075236 has 12 divisors (see below), whose sum is σ = 462150528. Its totient is φ = 99032232.

The previous prime is 231075197. The next prime is 231075253. The reversal of 231075236 is 632570132.

231075236 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 231075199 and 231075208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4126316 + ... + 4126371.

It is an arithmetic number, because the mean of its divisors is an integer number (38512544).

Almost surely, 2^231075236 is an apocalyptic number.

It is an amenable number.

231075236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231075236 is a wasteful number, since it uses less digits than its factorization.

231075236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8252698 (or 8252696 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 231075236 is about 15201.1590347578. The cubic root of 231075236 is about 613.6458503690.

The spelling of 231075236 in words is "two hundred thirty-one million, seventy-five thousand, two hundred thirty-six".