12303003331231 has 4 divisors (see below), whose sum is σ = 12699874406464. Its totient is φ = 11906132256000.

The previous prime is 12303003331211. The next prime is 12303003331259. The reversal of 12303003331231 is 13213330030321.

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 12303003331231 - 2⁷ = 12303003331103 is a prime.

It is a super-2 number, since 2×12303003331231² (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 = 12303003331196 and 12303003331205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303003331211) 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 3 ways as a sum of consecutive naturals, for example, 198435537570 + ... + 198435537631.

It is an arithmetic number, because the mean of its divisors is an integer number (3174968601616).

Almost surely, 2^{12303003331231} is an apocalyptic number.

12303003331231 is a deficient number, since it is larger than the sum of its proper divisors (396871075233).

12303003331231 is an equidigital number, since it uses as much as digits as its factorization.

12303003331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396871075232.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 12303003331231 its reverse (13213330030321), we get a palindrome (25516333361552).

The spelling of 12303003331231 in words is "twelve trillion, three hundred three billion, three million, three hundred thirty-one thousand, two hundred thirty-one".