231130241 has 4 divisors (see below), whose sum is σ = 233727300. Its totient is φ = 228533184.

The previous prime is 231130217. The next prime is 231130253. The reversal of 231130241 is 142031132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127599616 + 103530625 = 11296^2 + 10175^2 .

It is a cyclic number.

It is not a de Polignac number, because 231130241 - 2⁶ = 231130177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231130441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298396 + ... + 1298573.

It is an arithmetic number, because the mean of its divisors is an integer number (58431825).

Almost surely, 2^231130241 is an apocalyptic number.

It is an amenable number.

231130241 is a deficient number, since it is larger than the sum of its proper divisors (2597059).

231130241 is an equidigital number, since it uses as much as digits as its factorization.

231130241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597058.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 231130241 is about 15202.9681641448. The cubic root of 231130241 is about 613.6945371268.

Adding to 231130241 its reverse (142031132), we get a palindrome (373161373).

The spelling of 231130241 in words is "two hundred thirty-one million, one hundred thirty thousand, two hundred forty-one".