231342441 has 40 divisors (see below), whose sum is σ = 355598400. Its totient is φ = 133525920.

The previous prime is 231342437. The next prime is 231342457. The reversal of 231342441 is 144243132.

It is not a de Polignac number, because 231342441 - 2² = 231342437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231342431) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1010115 + ... + 1010343.

It is an arithmetic number, because the mean of its divisors is an integer number (8889960).

Almost surely, 2^231342441 is an apocalyptic number.

It is an amenable number.

231342441 is a deficient number, since it is larger than the sum of its proper divisors (124255959).

231342441 is an equidigital number, since it uses as much as digits as its factorization.

231342441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 266 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 231342441 is about 15209.9454634131. The cubic root of 231342441 is about 613.8822900681.

Adding to 231342441 its reverse (144243132), we get a palindrome (375585573).

The spelling of 231342441 in words is "two hundred thirty-one million, three hundred forty-two thousand, four hundred forty-one".