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31023022223102 = 27131229138695009
BaseRepresentation
bin1110000110111000111000…
…01110000010111011111110
311001211202211202111021220212
413003130130032002323332
513031240122142114402
6145551440223512422
76351224260663220
oct703343416027376
9131752752437825
1031023022223102
119980876304a08
123590577458712
1314405c62781c0
14793745228410
1538bea778e952
hex1c371c382efe

31023022223102 has 32 divisors (see below), whose sum is σ = 57319873732800. Its totient is φ = 12262857827328.

The previous prime is 31023022223041. The next prime is 31023022223113. The reversal of 31023022223102 is 20132222032013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69123827 + ... + 69571182.

It is an arithmetic number, because the mean of its divisors is an integer number (1791246054150).

Almost surely, 231023022223102 is an apocalyptic number.

31023022223102 is a deficient number, since it is larger than the sum of its proper divisors (26296851509698).

31023022223102 is a wasteful number, since it uses less digits than its factorization.

31023022223102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138696260.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31023022223102 its reverse (20132222032013), we get a palindrome (51155244255115).

The spelling of 31023022223102 in words is "thirty-one trillion, twenty-three billion, twenty-two million, two hundred twenty-three thousand, one hundred two".

Divisors: 1 2 7 13 14 26 91 182 1229 2458 8603 15977 17206 31954 111839 223678 138695009 277390018 970865063 1803035117 1941730126 3606070234 12621245819 25242491638 170456166061 340912332122 1193193162427 2215930158793 2386386324854 4431860317586 15511511111551 31023022223102