12303302131 has 4 divisors (see below), whose sum is σ = 12304804032. Its totient is φ = 12301800232.

The previous prime is 12303302093. The next prime is 12303302149. The reversal of 12303302131 is 13120330321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13120330321 = 7 ⋅1874332903.

It is a cyclic number.

It is not a de Polignac number, because 12303302131 - 2³¹ = 10155818483 is a prime.

It is a super-2 number, since 2×12303302131² (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 = 12303302099 and 12303302108.

It is not an unprimeable number, because it can be changed into a prime (12303302191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738595 + ... + 755068.

It is an arithmetic number, because the mean of its divisors is an integer number (3076201008).

Almost surely, 2^12303302131 is an apocalyptic number.

12303302131 is a deficient number, since it is larger than the sum of its proper divisors (1501901).

12303302131 is an equidigital number, since it uses as much as digits as its factorization.

12303302131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501900.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12303302131 its reverse (13120330321), we get a palindrome (25423632452).

The spelling of 12303302131 in words is "twelve billion, three hundred three million, three hundred two thousand, one hundred thirty-one".