13213304434 has 16 divisors (see below), whose sum is σ = 22893640416. Its totient is φ = 5652750400.

The previous prime is 13213304399. The next prime is 13213304449. The reversal of 13213304434 is 43440331231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17664472 + ... + 17665219.

It is an arithmetic number, because the mean of its divisors is an integer number (1430852526).

Almost surely, 2^13213304434 is an apocalyptic number.

13213304434 is a deficient number, since it is larger than the sum of its proper divisors (9680335982).

13213304434 is a wasteful number, since it uses less digits than its factorization.

13213304434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35329721.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 13213304434 its reverse (43440331231), we get a palindrome (56653635665).

The spelling of 13213304434 in words is "thirteen billion, two hundred thirteen million, three hundred four thousand, four hundred thirty-four".