1313295980177 has 2 divisors, whose sum is σ = 1313295980178. Its totient is φ = 1313295980176.

The previous prime is 1313295980147. The next prime is 1313295980209. The reversal of 1313295980177 is 7710895923131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1259323862416 + 53972117761 = 1122196^2 + 232319^2 .

It is an emirp because it is prime and its reverse (7710895923131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313295980177 - 2¹⁶ = 1313295914641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313295980137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656647990088 + 656647990089.

It is an arithmetic number, because the mean of its divisors is an integer number (656647990089).

Almost surely, 2^{1313295980177} is an apocalyptic number.

It is an amenable number.

1313295980177 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313295980177 is an equidigital number, since it uses as much as digits as its factorization.

1313295980177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 56.

The spelling of 1313295980177 in words is "one trillion, three hundred thirteen billion, two hundred ninety-five million, nine hundred eighty thousand, one hundred seventy-seven".