12031331132323 has 4 divisors (see below), whose sum is σ = 12032184008920. Its totient is φ = 12030478255728.

The previous prime is 12031331132321. The next prime is 12031331132329. The reversal of 12031331132323 is 32323113313021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12031331132323 - 2¹ = 12031331132321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12031331132291 and 12031331132300.

It is not an unprimeable number, because it can be changed into a prime (12031331132321) 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, 426417138 + ... + 426445351.

It is an arithmetic number, because the mean of its divisors is an integer number (3008046002230).

Almost surely, 2^{12031331132323} is an apocalyptic number.

12031331132323 is a deficient number, since it is larger than the sum of its proper divisors (852876597).

12031331132323 is an equidigital number, since it uses as much as digits as its factorization.

12031331132323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852876596.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 12031331132323 its reverse (32323113313021), we get a palindrome (44354444445344).

The spelling of 12031331132323 in words is "twelve trillion, thirty-one billion, three hundred thirty-one million, one hundred thirty-two thousand, three hundred twenty-three".