1331223130241 has 2 divisors, whose sum is σ = 1331223130242. Its totient is φ = 1331223130240.

The previous prime is 1331223130231. The next prime is 1331223130273. The reversal of 1331223130241 is 1420313221331.

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., 1007002215025 + 324220915216 = 1003495^2 + 569404^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331223130241 - 2¹⁸ = 1331222868097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1331223130241.

It is not a weakly prime, because it can be changed into another prime (1331223130231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665611565120 + 665611565121.

It is an arithmetic number, because the mean of its divisors is an integer number (665611565121).

Almost surely, 2^{1331223130241} is an apocalyptic number.

It is an amenable number.

1331223130241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331223130241 is an equidigital number, since it uses as much as digits as its factorization.

1331223130241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1331223130241 its reverse (1420313221331), we get a palindrome (2751536351572).

The spelling of 1331223130241 in words is "one trillion, three hundred thirty-one billion, two hundred twenty-three million, one hundred thirty thousand, two hundred forty-one".