13021330233 has 4 divisors (see below), whose sum is σ = 17361773648. Its totient is φ = 8680886820.

The previous prime is 13021330199. The next prime is 13021330247. The reversal of 13021330233 is 33203312031.

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 not a de Polignac number, because 13021330233 - 2¹⁴ = 13021313849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021330253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2170221703 + ... + 2170221708.

It is an arithmetic number, because the mean of its divisors is an integer number (4340443412).

Almost surely, 2^13021330233 is an apocalyptic number.

It is an amenable number.

13021330233 is a deficient number, since it is larger than the sum of its proper divisors (4340443415).

13021330233 is an equidigital number, since it uses as much as digits as its factorization.

13021330233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340443414.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 13021330233 its reverse (33203312031), we get a palindrome (46224642264).

The spelling of 13021330233 in words is "thirteen billion, twenty-one million, three hundred thirty thousand, two hundred thirty-three".