333 = 32 x 37.
333 has a representation as a sum of two squares: 333 = 32 + 182.
333 = 101 + 11 + 2 + 3 + 41 + 5 + 61 + 7 + 83 + 19, where each term is the smallest prime containing 0, 1, 2, ..., and 9, respectively.
333122 + 122333 is a prime number.
Source: Number Gossip
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