$int = int($recip);
PARI:   ***   incorrect type in comparison. at -e line 1.

  $int = pari2num($recip);
PARI:   ***   forbidden assignment t_INTMOD --> t_REAL. at -e line 1.

  $int = pari2iv($recip);
PARI:   ***   incorrect type in gtolong. at -e line 1.