Ani=PASS #31の高価買取価格

The number you provided, 9784401656769, appears to be an ISBN (International Standard Book Number). Based on this information, it relates to a specific book. However, I don't have direct access to external databases to look up specific ISBNs or their associated titles.
If you're looking for information about this book, such as its title, author, or a summary, I recommend searching the ISBN in a book retailer's website, library catalog, or a dedicated book database like Goodreads or WorldCat. If you have any other questions or need information on a specific topic, feel free to ask!