The original vinyl release (and 2008 remix by Didier de Roos, with bonus live track) was simply titled Univers Zero – it acquired the name 1313 because of its original catalog number.
Univers Zero, as originally released on vinyl with a 2008 remix by Didier de Roos and an additional live track, retained that title until it was assigned the designation 1313 based on its initial catalog number.