231283248 has 80 divisors (see below), whose sum is σ = 686789376. Its totient is φ = 65698560.

The previous prime is 231283243. The next prime is 231283259. The reversal of 231283248 is 842382132.

231283248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (231283243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58915 + ... + 62717.

Almost surely, 2^231283248 is an apocalyptic number.

231283248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231283248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343394688).

231283248 is an abundant number, since it is smaller than the sum of its proper divisors (455506128).

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

231283248 is a wasteful number, since it uses less digits than its factorization.

231283248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002 (or 3996 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 231283248 is about 15207.9994739611. Note that the first 3 decimals coincide. The cubic root of 231283248 is about 613.8299281036.

The spelling of 231283248 in words is "two hundred thirty-one million, two hundred eighty-three thousand, two hundred forty-eight".