12031131132323 has 16 divisors (see below), whose sum is σ = 13771724044320. Its totient is φ = 10437517149696.

The previous prime is 12031131132257. The next prime is 12031131132337. The reversal of 12031131132323 is 32323113113021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12031131132323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12031131132292 and 12031131132301.

It is not an unprimeable number, because it can be changed into a prime (12031131132023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503340536 + ... + 503364437.

It is an arithmetic number, because the mean of its divisors is an integer number (860732752770).

Almost surely, 2^{12031131132323} is an apocalyptic number.

12031131132323 is a deficient number, since it is larger than the sum of its proper divisors (1740592911997).

12031131132323 is a wasteful number, since it uses less digits than its factorization.

12031131132323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006705046.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 12031131132323 its reverse (32323113113021), we get a palindrome (44354244245344).

The spelling of 12031131132323 in words is "twelve trillion, thirty-one billion, one hundred thirty-one million, one hundred thirty-two thousand, three hundred twenty-three".