13230301021 has 4 divisors (see below), whose sum is σ = 15120344032. Its totient is φ = 11340258012.

The previous prime is 13230300997. The next prime is 13230301031. The reversal of 13230301021 is 12010303231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13230301021 - 2⁹ = 13230300509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13230300986 and 13230301004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230301031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945021495 + ... + 945021508.

It is an arithmetic number, because the mean of its divisors is an integer number (3780086008).

Almost surely, 2^13230301021 is an apocalyptic number.

It is an amenable number.

13230301021 is a deficient number, since it is larger than the sum of its proper divisors (1890043011).

13230301021 is an equidigital number, since it uses as much as digits as its factorization.

13230301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890043010.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13230301021 its reverse (12010303231), we get a palindrome (25240604252).

The spelling of 13230301021 in words is "thirteen billion, two hundred thirty million, three hundred one thousand, twenty-one".