12331312133 has 8 divisors (see below), whose sum is σ = 14104517952. Its totient is φ = 10561003776.

The previous prime is 12331312109. The next prime is 12331312171. The reversal of 12331312133 is 33121313321.

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 12331312133 - 2²⁴ = 12314534917 is a prime.

It is a super-2 number, since 2×12331312133² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12331312099 and 12331312108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331312183) 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, 715235 + ... + 732272.

It is an arithmetic number, because the mean of its divisors is an integer number (1763064744).

Almost surely, 2^12331312133 is an apocalyptic number.

It is an amenable number.

12331312133 is a deficient number, since it is larger than the sum of its proper divisors (1773205819).

12331312133 is a wasteful number, since it uses less digits than its factorization.

12331312133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448731.

The product of its digits is 972, while the sum is 23.

Adding to 12331312133 its reverse (33121313321), we get a palindrome (45452625454).

The spelling of 12331312133 in words is "twelve billion, three hundred thirty-one million, three hundred twelve thousand, one hundred thirty-three".