CREATE TABLE table_13681_2 (country VARCHAR, highest_monthly_inflation_rate VARCHAR)

what's the country with highest monthly inflation rate being 3.13 10 8 %
SELECT country FROM table_13681_2 WHERE highest_monthly_inflation_rate = "3.13 × 10 8 %"
SELECT "country" FROM "table_13681_2" WHERE "3.13 × 10 8 %" = "highest_monthly_inflation_rate"