English word with all vowels

What English word contains all the vowels a-e-i-o-u in alphabetical order ?

Month Puzzle - Decode the number

Here is a list showing the month and a number for each

january = 73
February = 83
March = 51
April = 52
May = 31
June = 42
July = 41
August = 63

Decipher the logic and find the number for September = ?

Intelligent Trader with 3 Sacks and 90 Coconuts

An intelligent trader travels from 1 place to another carrying
3 sacks having 30 coconuts each. No sack can hold more
than 30 coconuts. On the way he passes through 30 checkpoints
and on each checkpoint he has to give 1 coconut for each sack he is carrying. Maximum how many coconuts he can save when he reach last check point.