12023203131013 has 2 divisors, whose sum is σ = 12023203131014. Its totient is φ = 12023203131012.

The previous prime is 12023203131011. The next prime is 12023203131041. The reversal of 12023203131013 is 31013130232021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8849899114884 + 3173304016129 = 2974878^2 + 1781377^2 .

It is a cyclic number.

It is not a de Polignac number, because 12023203131013 - 2¹ = 12023203131011 is a prime.

Together with 12023203131011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12023203131011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011601565506 + 6011601565507.

It is an arithmetic number, because the mean of its divisors is an integer number (6011601565507).

Almost surely, 2^{12023203131013} is an apocalyptic number.

It is an amenable number.

12023203131013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023203131013 is an equidigital number, since it uses as much as digits as its factorization.

12023203131013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12023203131013 its reverse (31013130232021), we get a palindrome (43036333363034).

The spelling of 12023203131013 in words is "twelve trillion, twenty-three billion, two hundred three million, one hundred thirty-one thousand, thirteen".