treinta y un

== Spanish == === Alternative forms === treinta y ún (obsolete) === Pronunciation === IPA(key): /ˈtɾeinta i un/ [ˈt̪ɾẽĩn̪.t̪a i ũn] Syllabification: trein‧ta y un === Numeral === treinta y un m (apocopate, standard form treinta y uno) (before the noun) apocopic form of treinta y uno (“thirty-one”) === Further reading === “3.1. Ortografía de los numerales cardinales”, in “Ortografía de la lengua española”, in Royal Spanish Academy‎[1], Espasa, 2010, →ISBN, archived from the original on 31 October 2024