318448713 has 16 divisors (see below), whose sum is σ = 464527296. Its totient is φ = 192445440.

The previous prime is 318448693. The next prime is 318448723. The reversal of 318448713 is 317844813.

It is not a de Polignac number, because 318448713 - 2⁸ = 318448457 is a prime.

It is a super-2 number, since 2×318448713² = 202819165622712738, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (318448723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2020 + ... + 25317.

It is an arithmetic number, because the mean of its divisors is an integer number (29032956).

Almost surely, 2^318448713 is an apocalyptic number.

318448713 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

318448713 is a deficient number, since it is larger than the sum of its proper divisors (146078583).

318448713 is a wasteful number, since it uses less digits than its factorization.

318448713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27704.

The product of its digits is 64512, while the sum is 39.

The square root of 318448713 is about 17845.1313528368. The cubic root of 318448713 is about 682.8833113621.

The spelling of 318448713 in words is "three hundred eighteen million, four hundred forty-eight thousand, seven hundred thirteen".