Output rises by 130,000 bpd to 31.77 million bpd * Iraq supply rebounds on higher southern exports * Top producer Saudi Arabia also pumps more * OPEC output up 1.50 mbpd since year-ago policy shift * For a table of OPEC output, see (Adds link to table in bullets, official Iraq November data in paragraph 10) By Alex Lawler VIENNA, Dec 1 (Reuters) - OPEC oil output has risen in November from the previous month, a Reuters survey found on Monday, led by a rebound in Iraqi exports after bad weather had temporarily halted supply growth from the group's second-largest producer. The increase indicates the Organization of the Petroleum Exporting Countries is again pumping close to a record high as Saudi Arabia and other big producers focus on market share.