13003230021 has 16 divisors (see below), whose sum is σ = 18096875520. Its totient is φ = 8289428400.

The previous prime is 13003230007. The next prime is 13003230041. The reversal of 13003230021 is 12003230031.

It is not a de Polignac number, because 13003230021 - 2²² = 12999035717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003230041) 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, 219096 + ... + 272046.

It is an arithmetic number, because the mean of its divisors is an integer number (1131054720).

Almost surely, 2^13003230021 is an apocalyptic number.

It is an amenable number.

13003230021 is a deficient number, since it is larger than the sum of its proper divisors (5093645499).

13003230021 is a wasteful number, since it uses less digits than its factorization.

13003230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56536.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13003230021 its reverse (12003230031), we get a palindrome (25006460052).

The spelling of 13003230021 in words is "thirteen billion, three million, two hundred thirty thousand, twenty-one".