12131230323031 has 8 divisors (see below), whose sum is σ = 12145843163520. Its totient is φ = 12116625690552.

The previous prime is 12131230323011. The next prime is 12131230323059. The reversal of 12131230323031 is 13032303213121.

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 12131230323031 - 2¹³ = 12131230314839 is a prime.

It is a super-2 number, since 2×12131230323031² (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 = 12131230322987 and 12131230323005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131230323011) 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 7 ways as a sum of consecutive naturals, for example, 908296 + ... + 5008738.

It is an arithmetic number, because the mean of its divisors is an integer number (1518230395440).

Almost surely, 2^{12131230323031} is an apocalyptic number.

12131230323031 is a deficient number, since it is larger than the sum of its proper divisors (14612840489).

12131230323031 is a wasteful number, since it uses less digits than its factorization.

12131230323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104005.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 12131230323031 its reverse (13032303213121), we get a palindrome (25163533536152).

The spelling of 12131230323031 in words is "twelve trillion, one hundred thirty-one billion, two hundred thirty million, three hundred twenty-three thousand, thirty-one".