13103221073 has 2 divisors, whose sum is σ = 13103221074. Its totient is φ = 13103221072.

The previous prime is 13103221051. The next prime is 13103221247. The reversal of 13103221073 is 37012230131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12902233744 + 200987329 = 113588^2 + 14177^2 .

It is a cyclic number.

It is not a de Polignac number, because 13103221073 - 2¹⁰ = 13103220049 is a prime.

It is a super-2 number, since 2×13103221073² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13103224073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551610536 + 6551610537.

It is an arithmetic number, because the mean of its divisors is an integer number (6551610537).

Almost surely, 2^13103221073 is an apocalyptic number.

It is an amenable number.

13103221073 is a deficient number, since it is larger than the sum of its proper divisors (1).

13103221073 is an equidigital number, since it uses as much as digits as its factorization.

13103221073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The spelling of 13103221073 in words is "thirteen billion, one hundred three million, two hundred twenty-one thousand, seventy-three".