313885659377 has 4 divisors (see below), whose sum is σ = 314193090036. Its totient is φ = 313578228720.

The previous prime is 313885659331. The next prime is 313885659379. The reversal of 313885659377 is 773956588313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 773956588313 = 199 ⋅3889229087.

It can be written as a sum of positive squares in 2 ways, for example, as 76140676096 + 237744983281 = 275936^2 + 487591^2 .

It is a cyclic number.

It is not a de Polignac number, because 313885659377 - 2⁶ = 313885659313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313885659379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153713798 + ... + 153715839.

It is an arithmetic number, because the mean of its divisors is an integer number (78548272509).

Almost surely, 2^313885659377 is an apocalyptic number.

It is an amenable number.

313885659377 is a deficient number, since it is larger than the sum of its proper divisors (307430659).

313885659377 is a wasteful number, since it uses less digits than its factorization.

313885659377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307430658.

The product of its digits is 114307200, while the sum is 65.

The spelling of 313885659377 in words is "three hundred thirteen billion, eight hundred eighty-five million, six hundred fifty-nine thousand, three hundred seventy-seven".