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BaseRepresentation
bin111000011010000001
3102201221002
4320122001
524343131
64541345
71651406
oct703201
9381832
10231041
11148648
12b1855
1381215
15486cb
hex38681

231041 has 2 divisors, whose sum is σ = 231042. Its totient is φ = 231040.

The previous prime is 231031. The next prime is 231053. The reversal of 231041 is 140132.

Adding to 231041 its reverse (140132), we get a palindrome (371173).

Subtracting from 231041 its reverse (140132), we obtain a palindrome (90909).

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229441 + 1600 = 479^2 + 40^2 .

It is a cyclic number.

It is not a de Polignac number, because 231041 - 26 = 230977 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115520 + 115521.

It is an arithmetic number, because the mean of its divisors is an integer number (115521).

2231041 is an apocalyptic number.

It is an amenable number.

231041 is a deficient number, since it is larger than the sum of its proper divisors (1).

231041 is an equidigital number, since it uses as much as digits as its factorization.

231041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 231041 is about 480.6672445674. The cubic root of 231041 is about 61.3615543044.

The spelling of 231041 in words is "two hundred thirty-one thousand, forty-one".