13103121547 has 2 divisors, whose sum is σ = 13103121548. Its totient is φ = 13103121546.

The previous prime is 13103121481. The next prime is 13103121553. The reversal of 13103121547 is 74512130131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13103121547 - 2⁷ = 13103121419 is a prime.

It is not a weakly prime, because it can be changed into another prime (13103121847) 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, 6551560773 + 6551560774.

It is an arithmetic number, because the mean of its divisors is an integer number (6551560774).

Almost surely, 2^13103121547 is an apocalyptic number.

13103121547 is a deficient number, since it is larger than the sum of its proper divisors (1).

13103121547 is an equidigital number, since it uses as much as digits as its factorization.

13103121547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 13103121547 its reverse (74512130131), we get a palindrome (87615251678).

The spelling of 13103121547 in words is "thirteen billion, one hundred three million, one hundred twenty-one thousand, five hundred forty-seven".