12131203332031 has 16 divisors (see below), whose sum is σ = 14289986953728. Its totient is φ = 10083660098400.

The previous prime is 12131203332029. The next prime is 12131203332041. The reversal of 12131203332031 is 13023330213121.

It is not a de Polignac number, because 12131203332031 - 2¹ = 12131203332029 is a prime.

It is a super-2 number, since 2×12131203332031² (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 = 12131203331987 and 12131203332005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131203332041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200042305 + ... + 200102938.

It is an arithmetic number, because the mean of its divisors is an integer number (893124184608).

Almost surely, 2^{12131203332031} is an apocalyptic number.

12131203332031 is a deficient number, since it is larger than the sum of its proper divisors (2158783621697).

12131203332031 is an equidigital number, since it uses as much as digits as its factorization.

12131203332031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400145382.

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

Adding to 12131203332031 its reverse (13023330213121), we get a palindrome (25154533545152).

The spelling of 12131203332031 in words is "twelve trillion, one hundred thirty-one billion, two hundred three million, three hundred thirty-two thousand, thirty-one".