His estate has an estimated value of about $200 million.
Authorities are still investigating how Prince obtained the drugs.
The singer died April 21 of a drug overdose.
The musician would have turned 58 this year.
Investigators have been reviewing whether a doctor was prescribing him drugs.
MINNEAPOLIS - Prince left behind no known will when he died April 21, and the work of settling his multimillion-dollar estate
The tribute is only temporary, unfortunately.
Investigators are also looking into what kind of drugs were at his house in suburban Minneapolis.
There's even a purple room (sort of).
The star was found dead at his home Thursday.