12311331033 has 8 divisors (see below), whose sum is σ = 16415784000. Its totient is φ = 8207216048.

The previous prime is 12311330909. The next prime is 12311331037. The reversal of 12311331033 is 33013311321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12311331033 - 2⁸ = 12311330777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12311331037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18403 + ... + 157991.

It is an arithmetic number, because the mean of its divisors is an integer number (2051973000).

Almost surely, 2^12311331033 is an apocalyptic number.

It is an amenable number.

12311331033 is a deficient number, since it is larger than the sum of its proper divisors (4104452967).

12311331033 is a wasteful number, since it uses less digits than its factorization.

12311331033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168991.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 12311331033 its reverse (33013311321), we get a palindrome (45324642354).

The spelling of 12311331033 in words is "twelve billion, three hundred eleven million, three hundred thirty-one thousand, thirty-three".