313387983 has 6 divisors (see below), whose sum is σ = 452671544. Its totient is φ = 208925316.

The previous prime is 313387981. The next prime is 313388003. The reversal of 313387983 is 389783313.

It is not a de Polignac number, because 313387983 - 2¹ = 313387981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313387981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17410435 + ... + 17410452.

Almost surely, 2^313387983 is an apocalyptic number.

313387983 is a deficient number, since it is larger than the sum of its proper divisors (139283561).

313387983 is a wasteful number, since it uses less digits than its factorization.

313387983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34820893 (or 34820890 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 313387983 is about 17702.7676649726. The cubic root of 313387983 is about 679.2465580819.

The spelling of 313387983 in words is "three hundred thirteen million, three hundred eighty-seven thousand, nine hundred eighty-three".