13310331299981 has 2 divisors, whose sum is σ = 13310331299982. Its totient is φ = 13310331299980.

The previous prime is 13310331299957. The next prime is 13310331300001. The reversal of 13310331299981 is 18999213301331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13039862655625 + 270468644356 = 3611075^2 + 520066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13310331299981 is a prime.

It is a super-2 number, since 2×13310331299981² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13310331299281) 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, 6655165649990 + 6655165649991.

It is an arithmetic number, because the mean of its divisors is an integer number (6655165649991).

Almost surely, 2^{13310331299981} is an apocalyptic number.

It is an amenable number.

13310331299981 is a deficient number, since it is larger than the sum of its proper divisors (1).

13310331299981 is an equidigital number, since it uses as much as digits as its factorization.

13310331299981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 944784, while the sum is 53.

The spelling of 13310331299981 in words is "thirteen trillion, three hundred ten billion, three hundred thirty-one million, two hundred ninety-nine thousand, nine hundred eighty-one".