13021330432203 has 32 divisors (see below), whose sum is σ = 20977660077120. Its totient is φ = 7949429061120.

The previous prime is 13021330432193. The next prime is 13021330432219. The reversal of 13021330432203 is 30223403312031.

13021330432203 is a `hidden beast` number, since 1 + 3 + 0 + 2 + 1 + 330 + 4 + 322 + 0 + 3 = 666.

It is not a de Polignac number, because 13021330432203 - 2⁶ = 13021330432139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13021330432273) 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, 383346688 + ... + 383380653.

It is an arithmetic number, because the mean of its divisors is an integer number (655551877410).

Almost surely, 2^{13021330432203} is an apocalyptic number.

13021330432203 is a deficient number, since it is larger than the sum of its proper divisors (7956329644917).

13021330432203 is a wasteful number, since it uses less digits than its factorization.

13021330432203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766727404 (or 766727398 counting only the distinct ones).

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

Adding to 13021330432203 its reverse (30223403312031), we get a palindrome (43244733744234).

The spelling of 13021330432203 in words is "thirteen trillion, twenty-one billion, three hundred thirty million, four hundred thirty-two thousand, two hundred three".