13111131320293 has 2 divisors, whose sum is σ = 13111131320294. Its totient is φ = 13111131320292.

The previous prime is 13111131320267. The next prime is 13111131320383. The reversal of 13111131320293 is 39202313111131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12880791796324 + 230339523969 = 3588982^2 + 479937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13111131320293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13111131320213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555565660146 + 6555565660147.

It is an arithmetic number, because the mean of its divisors is an integer number (6555565660147).

Almost surely, 2^{13111131320293} is an apocalyptic number.

It is an amenable number.

13111131320293 is a deficient number, since it is larger than the sum of its proper divisors (1).

13111131320293 is an equidigital number, since it uses as much as digits as its factorization.

13111131320293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 13111131320293 in words is "thirteen trillion, one hundred eleven billion, one hundred thirty-one million, three hundred twenty thousand, two hundred ninety-three".