12031242111131 has 8 divisors (see below), whose sum is σ = 12059442057984. Its totient is φ = 12003075129960.

The previous prime is 12031242111107. The next prime is 12031242111167. The reversal of 12031242111131 is 13111124213021.

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 12031242111131 - 2²² = 12031237916827 is a prime.

It is a super-2 number, since 2×12031242111131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12031242111097 and 12031242111106.

It is not an unprimeable number, because it can be changed into a prime (12031242111101) 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, 7510565 + ... + 8970566.

It is an arithmetic number, because the mean of its divisors is an integer number (1507430257248).

Almost surely, 2^{12031242111131} is an apocalyptic number.

12031242111131 is a deficient number, since it is larger than the sum of its proper divisors (28199946853).

12031242111131 is an equidigital number, since it uses as much as digits as its factorization.

12031242111131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16482841.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 12031242111131 its reverse (13111124213021), we get a palindrome (25142366324152).

The spelling of 12031242111131 in words is "twelve trillion, thirty-one billion, two hundred forty-two million, one hundred eleven thousand, one hundred thirty-one".