12320031133 has 4 divisors (see below), whose sum is σ = 12528845280. Its totient is φ = 12111216988.

The previous prime is 12320031107. The next prime is 12320031151. The reversal of 12320031133 is 33113002321.

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 12320031133 - 2²⁵ = 12286476701 is a prime.

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 12320031133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320031193) 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, 104406985 + ... + 104407102.

It is an arithmetic number, because the mean of its divisors is an integer number (3132211320).

Almost surely, 2^12320031133 is an apocalyptic number.

It is an amenable number.

12320031133 is a deficient number, since it is larger than the sum of its proper divisors (208814147).

12320031133 is an equidigital number, since it uses as much as digits as its factorization.

12320031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208814146.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12320031133 its reverse (33113002321), we get a palindrome (45433033454).

The spelling of 12320031133 in words is "twelve billion, three hundred twenty million, thirty-one thousand, one hundred thirty-three".