13121030103 has 8 divisors (see below), whose sum is σ = 17509016448. Its totient is φ = 8740198584.

The previous prime is 13121030101. The next prime is 13121030113. The reversal of 13121030103 is 30103012131.

13121030103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13121030103 - 2¹ = 13121030101 is a prime.

It is a super-2 number, since 2×13121030103² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121030101) 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 in 7 ways as a sum of consecutive naturals, for example, 1784425 + ... + 1791762.

It is an arithmetic number, because the mean of its divisors is an integer number (2188627056).

Almost surely, 2^13121030103 is an apocalyptic number.

13121030103 is a deficient number, since it is larger than the sum of its proper divisors (4387986345).

13121030103 is a wasteful number, since it uses less digits than its factorization.

13121030103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577413.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 13121030103 its reverse (30103012131), we get a palindrome (43224042234).

The spelling of 13121030103 in words is "thirteen billion, one hundred twenty-one million, thirty thousand, one hundred three".