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131201031100320 = 2533530370609051
BaseRepresentation
bin11101110101001110011110…
…110110100101011110100000
3122012112200210102220201111000
4131311032132312211132200
5114144044202430202240
61143012531022352000
736430650600466056
oct3565163666453640
9565480712821430
10131201031100320
113889405471a245
121286b77ba2b600
135829286678b0c
14245824160c1d6
151027c8ea5a430
hex77539eda57a0

131201031100320 has 96 divisors (see below), whose sum is σ = 459203608866240. Its totient is φ = 34986941625600.

The previous prime is 131201031100303. The next prime is 131201031100331. The reversal of 131201031100320 is 23001130102131.

131201031100320 is a `hidden beast` number, since 1 + 3 + 1 + 20 + 10 + 311 + 0 + 0 + 320 = 666.

131201031100320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 131201031100293 and 131201031100302.

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, 15185300206 + ... + 15185308845.

It is an arithmetic number, because the mean of its divisors is an integer number (4783370925690).

Almost surely, 2131201031100320 is an apocalyptic number.

131201031100320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131201031100320 is an abundant number, since it is smaller than the sum of its proper divisors (328002577765920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131201031100320 is a wasteful number, since it uses less digits than its factorization.

131201031100320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30370609075 (or 30370609061 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131201031100320 its reverse (23001130102131), we get a palindrome (154202161202451).

The spelling of 131201031100320 in words is "one hundred thirty-one trillion, two hundred one billion, thirty-one million, one hundred thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 480 540 720 864 1080 1440 2160 4320 30370609051 60741218102 91111827153 121482436204 151853045255 182223654306 242964872408 273335481459 303706090510 364447308612 455559135765 485929744816 546670962918 607412181020 728894617224 820006444377 911118271530 971859489632 1093341925836 1214824362040 1366677407295 1457789234448 1640012888754 1822236543060 2186683851672 2429648724080 2733354814590 2915578468896 3280025777508 3644473086120 4100032221885 4373367703344 4859297448160 5466709629180 6560051555016 7288946172240 8200064443770 8746735406688 10933419258360 13120103110032 14577892344480 16400128887540 21866838516720 26240206220064 32800257775080 43733677033440 65600515550160 131201031100320