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120231231010131 = 3197189389858113
BaseRepresentation
bin11011010101100110000011…
…110100001011010101010011
3120202200222211012201102020210
4123111212003310023111103
5111224332030114311011
61103413244235535203
734216263662301633
oct3325460364132523
9522628735642223
10120231231010131
113534486253558a
121159974bbba503
1352119aab720a7
142199318c7c6c3
15dd77548176a6
hex6d5983d0b553

120231231010131 has 64 divisors (see below), whose sum is σ = 173490056064000. Its totient is φ = 73834427842560.

The previous prime is 120231231010109. The next prime is 120231231010141. The reversal of 120231231010131 is 131010132132021.

It is not a de Polignac number, because 120231231010131 - 214 = 120231230993747 is a prime.

It is a super-2 number, since 2×1202312310101312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120231231010098 and 120231231010107.

It is not an unprimeable number, because it can be changed into a prime (120231231010141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139682131 + ... + 140540243.

It is an arithmetic number, because the mean of its divisors is an integer number (2710782126000).

Almost surely, 2120231231010131 is an apocalyptic number.

120231231010131 is a deficient number, since it is larger than the sum of its proper divisors (53258825053869).

120231231010131 is a wasteful number, since it uses less digits than its factorization.

120231231010131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858684.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 120231231010131 its reverse (131010132132021), we get a palindrome (251241363142152).

The spelling of 120231231010131 in words is "one hundred twenty trillion, two hundred thirty-one billion, two hundred thirty-one million, ten thousand, one hundred thirty-one".

Divisors: 1 3 19 57 71 89 213 267 389 1167 1349 1691 4047 5073 6319 7391 18957 22173 27619 34621 82857 103863 120061 360183 524761 657799 858113 1574283 1973397 2458091 2574339 7374273 16304147 46703729 48912441 60926023 76372057 140111187 182778069 229116171 333805957 1001417871 1157594437 1451069083 3472783311 4353207249 5422416047 6342313183 16267248141 19026939549 23700222947 29708730173 71100668841 89126190519 103025904893 309077714679 450304235993 564465873287 1350912707979 1693397619861 2109319842283 6327959526849 40077077003377 120231231010131