Mr Hariri said President Michel Aoun had asked him to "put it on hold ahead of further consultations".
The two men held talks a day after Mr Hariri flew back to Lebanon.
Mr Hariri has denied that Saudi Arabia forced him to resign and detained him in an attempt to curb the influence of Iran and its Lebanese proxy Hezbollah.
Hezbollah is part of a national unity government formed by Mr Hariri last year.
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"Today I presented my resignation to his excellency the president, and he asked me to temporarily suspend submitting it and to put it on hold ahead of further consultations on the reasons for it," Mr Hariri said after Wednesday's meeting at the Baabda presidential palace.