12031242321031 has 8 divisors (see below), whose sum is σ = 12419687012864. Its totient is φ = 11642818885560.

The previous prime is 12031242321013. The next prime is 12031242321047. The reversal of 12031242321031 is 13012324213021.

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

It is not a de Polignac number, because 12031242321031 - 2⁹ = 12031242320519 is a prime.

It is a super-2 number, since 2×12031242321031² (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 = 12031242320987 and 12031242321005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031242321011) 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, 4159821 + ... + 6431686.

It is an arithmetic number, because the mean of its divisors is an integer number (1552460876608).

Almost surely, 2^{12031242321031} is an apocalyptic number.

12031242321031 is a deficient number, since it is larger than the sum of its proper divisors (388444691833).

12031242321031 is a wasteful number, since it uses less digits than its factorization.

12031242321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10628181.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12031242321031 its reverse (13012324213021), we get a palindrome (25043566534052).

The spelling of 12031242321031 in words is "twelve trillion, thirty-one billion, two hundred forty-two million, three hundred twenty-one thousand, thirty-one".