231317248 has 54 divisors (see below), whose sum is σ = 487506264. Its totient is φ = 109527552.

The previous prime is 231317237. The next prime is 231317263. The reversal of 231317248 is 842713132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91165 + ... + 93667.

Almost surely, 2^231317248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231317248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243753132).

231317248 is an abundant number, since it is smaller than the sum of its proper divisors (256189016).

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

231317248 is an equidigital number, since it uses as much as digits as its factorization.

231317248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557 (or 2524 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 231317248 is about 15209.1172656404. The cubic root of 231317248 is about 613.8600055017.

The spelling of 231317248 in words is "two hundred thirty-one million, three hundred seventeen thousand, two hundred forty-eight".