1313331077243 has 2 divisors, whose sum is σ = 1313331077244. Its totient is φ = 1313331077242.

The previous prime is 1313331077237. The next prime is 1313331077249. The reversal of 1313331077243 is 3427701333131.

It is a balanced prime because it is at equal distance from previous prime (1313331077237) and next prime (1313331077249).

It is an emirp because it is prime and its reverse (3427701333131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313331077243 - 2⁸ = 1313331076987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313331077197 and 1313331077206.

It is not a weakly prime, because it can be changed into another prime (1313331077249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656665538621 + 656665538622.

It is an arithmetic number, because the mean of its divisors is an integer number (656665538622).

Almost surely, 2^{1313331077243} is an apocalyptic number.

1313331077243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313331077243 is an equidigital number, since it uses as much as digits as its factorization.

1313331077243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 38.

The spelling of 1313331077243 in words is "one trillion, three hundred thirteen billion, three hundred thirty-one million, seventy-seven thousand, two hundred forty-three".