13312421233 has 4 divisors (see below), whose sum is σ = 13741854208. Its totient is φ = 12882988260.

The previous prime is 13312421209. The next prime is 13312421279. The reversal of 13312421233 is 33212421331.

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 13312421233 - 2⁹ = 13312420721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13312421198 and 13312421207.

It is not an unprimeable number, because it can be changed into a prime (13312421033) 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, 214716441 + ... + 214716502.

It is an arithmetic number, because the mean of its divisors is an integer number (3435463552).

Almost surely, 2^13312421233 is an apocalyptic number.

It is an amenable number.

13312421233 is a deficient number, since it is larger than the sum of its proper divisors (429432975).

13312421233 is an equidigital number, since it uses as much as digits as its factorization.

13312421233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429432974.

The product of its digits is 2592, while the sum is 25.

Adding to 13312421233 its reverse (33212421331), we get a palindrome (46524842564).

The spelling of 13312421233 in words is "thirteen billion, three hundred twelve million, four hundred twenty-one thousand, two hundred thirty-three".