313080287 has 4 divisors (see below), whose sum is σ = 337163400. Its totient is φ = 288997176.

The previous prime is 313080269. The next prime is 313080293. The reversal of 313080287 is 782080313.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-313080287 is a prime.

It is a super-2 number, since 2×313080287² = 196038532216004738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313088287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12041537 + ... + 12041562.

It is an arithmetic number, because the mean of its divisors is an integer number (84290850).

Almost surely, 2^313080287 is an apocalyptic number.

313080287 is a deficient number, since it is larger than the sum of its proper divisors (24083113).

313080287 is a wasteful number, since it uses less digits than its factorization.

313080287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24083112.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 313080287 is about 17694.0749122411. The cubic root of 313080287 is about 679.0241820928.

The spelling of 313080287 in words is "three hundred thirteen million, eighty thousand, two hundred eighty-seven".