313279487 has 8 divisors (see below), whose sum is σ = 320249856. Its totient is φ = 306321912.

The previous prime is 313279453. The next prime is 313279493. The reversal of 313279487 is 784972313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313279487 - 2¹⁰ = 313278463 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313279387) 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 7 ways as a sum of consecutive naturals, for example, 59858 + ... + 64880.

It is an arithmetic number, because the mean of its divisors is an integer number (40031232).

Almost surely, 2^313279487 is an apocalyptic number.

313279487 is a deficient number, since it is larger than the sum of its proper divisors (6970369).

313279487 is a wasteful number, since it uses less digits than its factorization.

313279487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397.

The product of its digits is 254016, while the sum is 44.

The square root of 313279487 is about 17699.7030201074. The cubic root of 313279487 is about 679.1681632011.

The spelling of 313279487 in words is "three hundred thirteen million, two hundred seventy-nine thousand, four hundred eighty-seven".