1313231201201 has 2 divisors, whose sum is σ = 1313231201202. Its totient is φ = 1313231201200.

The previous prime is 1313231201173. The next prime is 1313231201207. The reversal of 1313231201201 is 1021021323131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1060850560576 + 252380640625 = 1029976^2 + 502375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313231201201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313231201207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656615600600 + 656615600601.

It is an arithmetic number, because the mean of its divisors is an integer number (656615600601).

Almost surely, 2^{1313231201201} is an apocalyptic number.

It is an amenable number.

1313231201201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313231201201 is an equidigital number, since it uses as much as digits as its factorization.

1313231201201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1313231201201 its reverse (1021021323131), we get a palindrome (2334252524332).

The spelling of 1313231201201 in words is "one trillion, three hundred thirteen billion, two hundred thirty-one million, two hundred one thousand, two hundred one".