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318131114 = 27314317047
BaseRepresentation
bin10010111101100…
…100101110101010
3211011121201211212
4102331210232222
51122420143424
651322353122
710612032650
oct2275445652
9734551755
10318131114
11153638684
128a65b7a2
1350ba8682
1430372dd0
151cde110e
hex12f64baa

318131114 has 32 divisors (see below), whose sum is σ = 576086016. Its totient is φ = 128867760.

The previous prime is 318131089. The next prime is 318131119. The reversal of 318131114 is 411131813.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 318131114.

It is not an unprimeable number, because it can be changed into a prime (318131119) 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, 10139 + ... + 27185.

It is an arithmetic number, because the mean of its divisors is an integer number (18002688).

Almost surely, 2318131114 is an apocalyptic number.

318131114 is a deficient number, since it is larger than the sum of its proper divisors (257954902).

318131114 is a wasteful number, since it uses less digits than its factorization.

318131114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17130.

The product of its digits is 288, while the sum is 23.

The square root of 318131114 is about 17836.2303752783. The cubic root of 318131114 is about 682.6562154547.

Adding to 318131114 its reverse (411131813), we get a palindrome (729262927).

The spelling of 318131114 in words is "three hundred eighteen million, one hundred thirty-one thousand, one hundred fourteen".

Divisors: 1 2 7 14 31 43 62 86 217 301 434 602 1333 2666 9331 17047 18662 34094 119329 238658 528457 733021 1056914 1466042 3699199 5131147 7398398 10262294 22723651 45447302 159065557 318131114