וְיוֹסֵף֙ בֶּן־שְׁלֹשִׁ֣ים שָׁנָ֔ה בְּעָמְד֕וֹ לִפְנֵ֖י פַּרְעֹ֣ה מֶֽלֶךְ־מִצְרָ֑יִם וַיֵּצֵ֤א יוֹסֵף֙ מִלִּפְנֵ֣י פַרְעֹ֔ה וַֽיַּעְבֹ֖ר בְּכָל־אֶ֥רֶץ מִצְרָֽיִם׃
And Joseph was thirty years old when he stood before Pharaoh king of Egypt.—And Joseph went out from the presence of Pharaoh, and went throughout all the land of Egypt.
Read kabbalistic (mystical) interpretation of Genesis 41:46: and classical mystical sources.