1312043355383 has 2 divisors, whose sum is σ = 1312043355384. Its totient is φ = 1312043355382.

The previous prime is 1312043355319. The next prime is 1312043355421. The reversal of 1312043355383 is 3835533402131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312043355383 - 2⁶ = 1312043355319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312043355383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312043352383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656021677691 + 656021677692.

It is an arithmetic number, because the mean of its divisors is an integer number (656021677692).

Almost surely, 2^{1312043355383} is an apocalyptic number.

1312043355383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312043355383 is an equidigital number, since it uses as much as digits as its factorization.

1312043355383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 1312043355383 in words is "one trillion, three hundred twelve billion, forty-three million, three hundred fifty-five thousand, three hundred eighty-three".