331240242301 has 2 divisors, whose sum is σ = 331240242302. Its totient is φ = 331240242300.

The previous prime is 331240242299. The next prime is 331240242337. The reversal of 331240242301 is 103242042133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313713130201 + 17527112100 = 560101^2 + 132390^2 .

It is a cyclic number.

It is not a de Polignac number, because 331240242301 - 2¹ = 331240242299 is a prime.

Together with 331240242299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331240242901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165620121150 + 165620121151.

It is an arithmetic number, because the mean of its divisors is an integer number (165620121151).

Almost surely, 2^331240242301 is an apocalyptic number.

It is an amenable number.

331240242301 is a deficient number, since it is larger than the sum of its proper divisors (1).

331240242301 is an equidigital number, since it uses as much as digits as its factorization.

331240242301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 331240242301 its reverse (103242042133), we get a palindrome (434482284434).

The spelling of 331240242301 in words is "three hundred thirty-one billion, two hundred forty million, two hundred forty-two thousand, three hundred one".