1312043355307 has 2 divisors, whose sum is σ = 1312043355308. Its totient is φ = 1312043355306.

The previous prime is 1312043355299. The next prime is 1312043355319. The reversal of 1312043355307 is 7035533402131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312043355307 - 2³ = 1312043355299 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312043350307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656021677653 + 656021677654.

It is an arithmetic number, because the mean of its divisors is an integer number (656021677654).

Almost surely, 2^{1312043355307} is an apocalyptic number.

1312043355307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312043355307 is an equidigital number, since it uses as much as digits as its factorization.

1312043355307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 37.

Adding to 1312043355307 its reverse (7035533402131), we get a palindrome (8347576757438).

The spelling of 1312043355307 in words is "one trillion, three hundred twelve billion, forty-three million, three hundred fifty-five thousand, three hundred seven".