14361...39301 (83-digits)

This number is a prime.

                                                              143 6181790548
7073108115 0253207640 6244234259 7502003905 2531443713 3789115745 7030439301

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The prime sum of the first 33 repunits multiplied by their number of digits to the same power: 1 * 1^1 + 11 * 2^2 + 111 * 3^3 + . . . + 111111111111111111111111111111111 * 33^33. [Earls]