231111241 has 2 divisors, whose sum is σ = 231111242. Its totient is φ = 231111240.

The previous prime is 231111233. The next prime is 231111271. The reversal of 231111241 is 142111132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227889216 + 3222025 = 15096^2 + 1795^2 .

It is a cyclic number.

It is not a de Polignac number, because 231111241 - 2³ = 231111233 is a prime.

It is not a weakly prime, because it can be changed into another prime (231111271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115555620 + 115555621.

It is an arithmetic number, because the mean of its divisors is an integer number (115555621).

Almost surely, 2^231111241 is an apocalyptic number.

It is an amenable number.

231111241 is a deficient number, since it is larger than the sum of its proper divisors (1).

231111241 is an equidigital number, since it uses as much as digits as its factorization.

231111241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 16.

The square root of 231111241 is about 15202.3432733247. The cubic root of 231111241 is about 613.6777204672.

Adding to 231111241 its reverse (142111132), we get a palindrome (373222373).

The spelling of 231111241 in words is "two hundred thirty-one million, one hundred eleven thousand, two hundred forty-one".