12331231130433 has 4 divisors (see below), whose sum is σ = 16441641507248. Its totient is φ = 8220820753620.

The previous prime is 12331231130417. The next prime is 12331231130503. The reversal of 12331231130433 is 33403113213321.

It is a happy number.

12331231130433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12331231130433 - 2⁴ = 12331231130417 is a prime.

It is a super-2 number, since 2×12331231130433² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12331231130433.

It is not an unprimeable number, because it can be changed into a prime (12331232130433) 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, 2055205188403 + ... + 2055205188408.

It is an arithmetic number, because the mean of its divisors is an integer number (4110410376812).

Almost surely, 2^{12331231130433} is an apocalyptic number.

It is an amenable number.

12331231130433 is a deficient number, since it is larger than the sum of its proper divisors (4110410376815).

12331231130433 is an equidigital number, since it uses as much as digits as its factorization.

12331231130433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110410376814.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 12331231130433 its reverse (33403113213321), we get a palindrome (45734344343754).

The spelling of 12331231130433 in words is "twelve trillion, three hundred thirty-one billion, two hundred thirty-one million, one hundred thirty thousand, four hundred thirty-three".