13103030121 has 16 divisors (see below), whose sum is σ = 18104483328. Its totient is φ = 8420659200.

The previous prime is 13103030117. The next prime is 13103030123. The reversal of 13103030121 is 12103030131.

It is not a de Polignac number, because 13103030121 - 2² = 13103030117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13103030121.

It is not an unprimeable number, because it can be changed into a prime (13103030123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250210 + ... + 298011.

It is an arithmetic number, because the mean of its divisors is an integer number (1131530208).

Almost surely, 2^13103030121 is an apocalyptic number.

It is an amenable number.

13103030121 is a deficient number, since it is larger than the sum of its proper divisors (5001453207).

13103030121 is a wasteful number, since it uses less digits than its factorization.

13103030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548512.

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

Adding to 13103030121 its reverse (12103030131), we get a palindrome (25206060252).

The spelling of 13103030121 in words is "thirteen billion, one hundred three million, thirty thousand, one hundred twenty-one".