A 30,000-word piece is typically considered a novella or a very short non-fiction book.
Most style guides (like APA or MLA) suggest spelling out round numbers or numbers that begin a sentence. 30000 in words
Amazon Kindle and other self-publishing platforms treat works of 30,000 words as "short reads" (Category: 90-120 minutes). You can price these profitably at $2.99 – $4.99. A 30,000-word piece is typically considered a novella
: Students are often required to convert numerals into words to demonstrate their understanding of place value. Common Mistakes to Avoid 30000 in Words: Write Thirty Thousand Easily for Exams 30000 in words
Ensure you use "thirty" (not "threty" or "thirtee").