12303131003 has 4 divisors (see below), whose sum is σ = 12441368520. Its totient is φ = 12164893488.

The previous prime is 12303130999. The next prime is 12303131011. The reversal of 12303131003 is 30013130321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30013130321 = 32327 ⋅928423.

It is a cyclic number.

It is not a de Polignac number, because 12303131003 - 2² = 12303130999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12303131803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69118625 + ... + 69118802.

It is an arithmetic number, because the mean of its divisors is an integer number (3110342130).

Almost surely, 2^12303131003 is an apocalyptic number.

12303131003 is a deficient number, since it is larger than the sum of its proper divisors (138237517).

12303131003 is an equidigital number, since it uses as much as digits as its factorization.

12303131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138237516.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 12303131003 its reverse (30013130321), we get a palindrome (42316261324).

The spelling of 12303131003 in words is "twelve billion, three hundred three million, one hundred thirty-one thousand, three".