231242041 has 4 divisors (see below), whose sum is σ = 244844532. Its totient is φ = 217639552.

The previous prime is 231242029. The next prime is 231242047. The reversal of 231242041 is 140242132.

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 198922816 + 32319225 = 14104^2 + 5685^2 .

It is a cyclic number.

It is not a de Polignac number, because 231242041 - 2⁹ = 231241529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231242047) 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, 6801220 + ... + 6801253.

It is an arithmetic number, because the mean of its divisors is an integer number (61211133).

Almost surely, 2^231242041 is an apocalyptic number.

It is an amenable number.

231242041 is a deficient number, since it is larger than the sum of its proper divisors (13602491).

231242041 is a wasteful number, since it uses less digits than its factorization.

231242041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13602490.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 231242041 is about 15206.6446331858. The cubic root of 231242041 is about 613.7934712304.

Adding to 231242041 its reverse (140242132), we get a palindrome (371484173).

Subtracting from 231242041 its reverse (140242132), we obtain a palindrome (90999909).

The spelling of 231242041 in words is "two hundred thirty-one million, two hundred forty-two thousand, forty-one".