18314271 has 12 divisors (see below), whose sum is σ = 27846520. Its totient is φ = 11566800.

The previous prime is 18314267. The next prime is 18314281. The reversal of 18314271 is 17241381.

It is not a de Polignac number, because 18314271 - 2² = 18314267 is a prime.

It is a super-2 number, since 2×18314271² = 670825044522882, 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 (18314201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53380 + ... + 53721.

Almost surely, 2^18314271 is an apocalyptic number.

18314271 is a deficient number, since it is larger than the sum of its proper divisors (9532249).

18314271 is a wasteful number, since it uses less digits than its factorization.

18314271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107126 (or 107123 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 18314271 is about 4279.5176130027. The cubic root of 18314271 is about 263.5905757724.

The spelling of 18314271 in words is "eighteen million, three hundred fourteen thousand, two hundred seventy-one".