12031440103013 has 2 divisors, whose sum is σ = 12031440103014. Its totient is φ = 12031440103012.

The previous prime is 12031440103009. The next prime is 12031440103063. The reversal of 12031440103013 is 31030104413021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6931941248164 + 5099498854849 = 2632858^2 + 2258207^2 .

It is a cyclic number.

It is not a de Polignac number, because 12031440103013 - 2² = 12031440103009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12031440103013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12031440103063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015720051506 + 6015720051507.

It is an arithmetic number, because the mean of its divisors is an integer number (6015720051507).

Almost surely, 2^{12031440103013} is an apocalyptic number.

It is an amenable number.

12031440103013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031440103013 is an equidigital number, since it uses as much as digits as its factorization.

12031440103013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12031440103013 its reverse (31030104413021), we get a palindrome (43061544516034).

The spelling of 12031440103013 in words is "twelve trillion, thirty-one billion, four hundred forty million, one hundred three thousand, thirteen".