13213304433 has 24 divisors (see below), whose sum is σ = 22138004928. Its totient is φ = 7437763872.

The previous prime is 13213304399. The next prime is 13213304449. The reversal of 13213304433 is 33440331231.

13213304433 is a `hidden beast` number, since 1 + 3 + 213 + 3 + 0 + 443 + 3 = 666.

It is not a de Polignac number, because 13213304433 - 2⁸ = 13213304177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13213304397 and 13213304406.

It is not an unprimeable number, because it can be changed into a prime (13213304453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1560966 + ... + 1569407.

It is an arithmetic number, because the mean of its divisors is an integer number (922416872).

Almost surely, 2^13213304433 is an apocalyptic number.

It is an amenable number.

13213304433 is a deficient number, since it is larger than the sum of its proper divisors (8924700495).

13213304433 is a wasteful number, since it uses less digits than its factorization.

13213304433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130453 (or 3130450 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 13213304433 its reverse (33440331231), we get a palindrome (46653635664).

The spelling of 13213304433 in words is "thirteen billion, two hundred thirteen million, three hundred four thousand, four hundred thirty-three".