12131316331 has 8 divisors (see below), whose sum is σ = 12851609904. Its totient is φ = 11411765760.

The previous prime is 12131316319. The next prime is 12131316347. The reversal of 12131316331 is 13361313121.

12131316331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12131316331 - 2²⁹ = 11594445419 is a prime.

It is a super-2 number, since 2×12131316331² (a number of 21 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 = 12131316296 and 12131316305.

It is not an unprimeable number, because it can be changed into a prime (12131316031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151950 + ... + 217603.

It is an arithmetic number, because the mean of its divisors is an integer number (1606451238).

Almost surely, 2^12131316331 is an apocalyptic number.

12131316331 is a deficient number, since it is larger than the sum of its proper divisors (720293573).

12131316331 is a wasteful number, since it uses less digits than its factorization.

12131316331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371501.

The product of its digits is 972, while the sum is 25.

Adding to 12131316331 its reverse (13361313121), we get a palindrome (25492629452).

The spelling of 12131316331 in words is "twelve billion, one hundred thirty-one million, three hundred sixteen thousand, three hundred thirty-one".