331241 has 2 divisors, whose sum is σ = 331242. Its totient is φ = 331240.

The previous prime is 331231. The next prime is 331249. The reversal of 331241 is 142133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193600 + 137641 = 440^2 + 371^2 .

It is a cyclic number.

It is not a de Polignac number, because 331241 - 2¹⁰ = 330217 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (331249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165620 + 165621.

It is an arithmetic number, because the mean of its divisors is an integer number (165621).

2³³¹²⁴¹ is an apocalyptic number.

It is an amenable number.

331241 is a deficient number, since it is larger than the sum of its proper divisors (1).

331241 is an equidigital number, since it uses as much as digits as its factorization.

331241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 14.

The square root of 331241 is about 575.5354029076. The cubic root of 331241 is about 69.1907485377.

Adding to 331241 its reverse (142133), we get a palindrome (473374).

The spelling of 331241 in words is "three hundred thirty-one thousand, two hundred forty-one".