231248032 has 12 divisors (see below), whose sum is σ = 455269626. Its totient is φ = 115624000.

The previous prime is 231248009. The next prime is 231248041. The reversal of 231248032 is 230842132.

It can be written as a sum of positive squares in only one way, i.e., 163942416 + 67305616 = 12804^2 + 8204^2 .

It is a super-3 number, since 3×231248032³ (a number of 26 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 231247988 and 231248006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3613219 + ... + 3613282.

Almost surely, 2^231248032 is an apocalyptic number.

It is an amenable number.

231248032 is a deficient number, since it is larger than the sum of its proper divisors (224021594).

231248032 is an equidigital number, since it uses as much as digits as its factorization.

231248032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7226511 (or 7226503 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 231248032 is about 15206.8416181665. The cubic root of 231248032 is about 613.7987718884.

The spelling of 231248032 in words is "two hundred thirty-one million, two hundred forty-eight thousand, thirty-two".