12303131303 has 4 divisors (see below), whose sum is σ = 12727377240. Its totient is φ = 11878885368.

The previous prime is 12303131287. The next prime is 12303131317. The reversal of 12303131303 is 30313130321.

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 12303131303 - 2⁴ = 12303131287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303131333) 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, 212122925 + ... + 212122982.

It is an arithmetic number, because the mean of its divisors is an integer number (3181844310).

Almost surely, 2^12303131303 is an apocalyptic number.

12303131303 is a deficient number, since it is larger than the sum of its proper divisors (424245937).

12303131303 is an equidigital number, since it uses as much as digits as its factorization.

12303131303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424245936.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 12303131303 its reverse (30313130321), we get a palindrome (42616261624).

The spelling of 12303131303 in words is "twelve billion, three hundred three million, one hundred thirty-one thousand, three hundred three".