1331242224401 has 2 divisors, whose sum is σ = 1331242224402. Its totient is φ = 1331242224400.

The previous prime is 1331242224373. The next prime is 1331242224413. The reversal of 1331242224401 is 1044222421331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 984062016001 + 347180208400 = 991999^2 + 589220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331242224401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331242224451) 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, 665621112200 + 665621112201.

It is an arithmetic number, because the mean of its divisors is an integer number (665621112201).

Almost surely, 2^{1331242224401} is an apocalyptic number.

It is an amenable number.

1331242224401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331242224401 is an equidigital number, since it uses as much as digits as its factorization.

1331242224401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1331242224401 its reverse (1044222421331), we get a palindrome (2375464645732).

The spelling of 1331242224401 in words is "one trillion, three hundred thirty-one billion, two hundred forty-two million, two hundred twenty-four thousand, four hundred one".