13403380411321 has 2 divisors, whose sum is σ = 13403380411322. Its totient is φ = 13403380411320.

The previous prime is 13403380411283. The next prime is 13403380411373. The reversal of 13403380411321 is 12311408330431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13142336055696 + 261044355625 = 3625236^2 + 510925^2 .

It is a cyclic number.

It is not a de Polignac number, because 13403380411321 - 2¹⁹ = 13403379887033 is a prime.

It is not a weakly prime, because it can be changed into another prime (13403380411381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701690205660 + 6701690205661.

It is an arithmetic number, because the mean of its divisors is an integer number (6701690205661).

Almost surely, 2^{13403380411321} is an apocalyptic number.

It is an amenable number.

13403380411321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13403380411321 is an equidigital number, since it uses as much as digits as its factorization.

13403380411321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 13403380411321 its reverse (12311408330431), we get a palindrome (25714788741752).

The spelling of 13403380411321 in words is "thirteen trillion, four hundred three billion, three hundred eighty million, four hundred eleven thousand, three hundred twenty-one".