13031221330363 has 2 divisors, whose sum is σ = 13031221330364. Its totient is φ = 13031221330362.

The previous prime is 13031221330289. The next prime is 13031221330399. The reversal of 13031221330363 is 36303312213031.

It is a strong prime.

It is an emirp because it is prime and its reverse (36303312213031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13031221330363 - 2⁴¹ = 10832198074811 is a prime.

It is not a weakly prime, because it can be changed into another prime (13031221340363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515610665181 + 6515610665182.

It is an arithmetic number, because the mean of its divisors is an integer number (6515610665182).

Almost surely, 2^{13031221330363} is an apocalyptic number.

13031221330363 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031221330363 is an equidigital number, since it uses as much as digits as its factorization.

13031221330363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 13031221330363 its reverse (36303312213031), we get a palindrome (49334533543394).

The spelling of 13031221330363 in words is "thirteen trillion, thirty-one billion, two hundred twenty-one million, three hundred thirty thousand, three hundred sixty-three".