Titanic Prime whose Digits are all Odd/Historical Note

Historical Note on Titanic Prime whose Digits are all Odd
According to in his  of $1997$, this titanic prime was discovered by  in $1988$, but this has not been corroborated.

He also reports that it is the largest known prime whose digits are odd.

This was likely the case in $1997$, but research is needed to see if this record has since been superseded.