12001231310031 has 48 divisors (see below), whose sum is σ = 18412916977728. Its totient is φ = 7506376704000.

The previous prime is 12001231310017. The next prime is 12001231310051. The reversal of 12001231310031 is 13001313210021.

12001231310031 is a `hidden beast` number, since 1 + 200 + 123 + 1 + 310 + 0 + 31 = 666.

It is not a de Polignac number, because 12001231310031 - 2⁶ = 12001231309967 is a prime.

It is a super-2 number, since 2×12001231310031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001231309986 and 12001231310013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001231310011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92639655 + ... + 92769111.

It is an arithmetic number, because the mean of its divisors is an integer number (383602437036).

Almost surely, 2^{12001231310031} is an apocalyptic number.

12001231310031 is a deficient number, since it is larger than the sum of its proper divisors (6411685667697).

12001231310031 is a wasteful number, since it uses less digits than its factorization.

12001231310031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131392 (or 131389 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12001231310031 its reverse (13001313210021), we get a palindrome (25002544520052).

The spelling of 12001231310031 in words is "twelve trillion, one billion, two hundred thirty-one million, three hundred ten thousand, thirty-one".