12131311303 has 2 divisors, whose sum is σ = 12131311304. Its totient is φ = 12131311302.

The previous prime is 12131311289. The next prime is 12131311321. The reversal of 12131311303 is 30311313121.

It is a weak prime.

It is an emirp because it is prime and its reverse (30311313121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12131311303 - 2¹³ = 12131303111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12131311393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065655651 + 6065655652.

It is an arithmetic number, because the mean of its divisors is an integer number (6065655652).

Almost surely, 2^12131311303 is an apocalyptic number.

12131311303 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131311303 is an equidigital number, since it uses as much as digits as its factorization.

12131311303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 12131311303 its reverse (30311313121), we get a palindrome (42442624424).

The spelling of 12131311303 in words is "twelve billion, one hundred thirty-one million, three hundred eleven thousand, three hundred three".