13103314521 has 32 divisors (see below), whose sum is σ = 19921185792. Its totient is φ = 7583463360.

The previous prime is 13103314501. The next prime is 13103314529. The reversal of 13103314521 is 12541330131.

It is not a de Polignac number, because 13103314521 - 2¹⁸ = 13103052377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13103314491 and 13103314500.

It is not an unprimeable number, because it can be changed into a prime (13103314529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451186 + ... + 479348.

It is an arithmetic number, because the mean of its divisors is an integer number (622537056).

Almost surely, 2^13103314521 is an apocalyptic number.

13103314521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13103314521 is a deficient number, since it is larger than the sum of its proper divisors (6817871271).

13103314521 is a wasteful number, since it uses less digits than its factorization.

13103314521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28813.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 13103314521 its reverse (12541330131), we get a palindrome (25644644652).

The spelling of 13103314521 in words is "thirteen billion, one hundred three million, three hundred fourteen thousand, five hundred twenty-one".