12131033332031 has 4 divisors (see below), whose sum is σ = 12131064679200. Its totient is φ = 12131001984864.

The previous prime is 12131033331979. The next prime is 12131033332109. The reversal of 12131033332031 is 13023333013121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12131033332031 - 2¹⁰ = 12131033331007 is a prime.

It is a super-2 number, since 2×12131033332031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131033332331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15085751 + ... + 15869528.

It is an arithmetic number, because the mean of its divisors is an integer number (3032766169800).

Almost surely, 2^{12131033332031} is an apocalyptic number.

12131033332031 is a deficient number, since it is larger than the sum of its proper divisors (31347169).

12131033332031 is an equidigital number, since it uses as much as digits as its factorization.

12131033332031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31347168.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 12131033332031 its reverse (13023333013121), we get a palindrome (25154366345152).

The spelling of 12131033332031 in words is "twelve trillion, one hundred thirty-one billion, thirty-three million, three hundred thirty-two thousand, thirty-one".