13003113421 has 2 divisors, whose sum is σ = 13003113422. Its totient is φ = 13003113420.

The previous prime is 13003113413. The next prime is 13003113437. The reversal of 13003113421 is 12431130031.

13003113421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12931101225 + 72012196 = 113715^2 + 8486^2 .

It is a cyclic number.

It is not a de Polignac number, because 13003113421 - 2³ = 13003113413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13003113451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501556710 + 6501556711.

It is an arithmetic number, because the mean of its divisors is an integer number (6501556711).

Almost surely, 2^13003113421 is an apocalyptic number.

It is an amenable number.

13003113421 is a deficient number, since it is larger than the sum of its proper divisors (1).

13003113421 is an equidigital number, since it uses as much as digits as its factorization.

13003113421 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 19.

Adding to 13003113421 its reverse (12431130031), we get a palindrome (25434243452).

The spelling of 13003113421 in words is "thirteen billion, three million, one hundred thirteen thousand, four hundred twenty-one".