1313257383868 has 6 divisors (see below), whose sum is σ = 2298200421776. Its totient is φ = 656628691932.

The previous prime is 1313257383827. The next prime is 1313257383887. The reversal of 1313257383868 is 8683837523131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164157172980 + ... + 164157172987.

Almost surely, 2^{1313257383868} is an apocalyptic number.

It is an amenable number.

1313257383868 is a deficient number, since it is larger than the sum of its proper divisors (984943037908).

1313257383868 is a wasteful number, since it uses less digits than its factorization.

1313257383868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328314345971 (or 328314345969 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 58.

The spelling of 1313257383868 in words is "one trillion, three hundred thirteen billion, two hundred fifty-seven million, three hundred eighty-three thousand, eight hundred sixty-eight".