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3131030023000 = 2353112099135607
BaseRepresentation
bin101101100011111111111…
…011101010101101011000
3102002022201212101002222221
4231203333323222231120
5402244322141214000
610354213023353424
7442131562034665
oct55437773525530
912068655332887
103131030023000
11aa7953905390
12426993752874
13199340c241a9
14ab7850c6a6c
15566a2c1961a
hex2d8ffeeab58

3131030023000 has 128 divisors (see below), whose sum is σ = 7996532544000. Its totient is φ = 1138005552000.

The previous prime is 3131030022983. The next prime is 3131030023019. The reversal of 3131030023000 is 3200301313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23021197 + ... + 23156803.

It is an arithmetic number, because the mean of its divisors is an integer number (62472910500).

Almost surely, 23131030023000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3131030023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3998266272000).

3131030023000 is an abundant number, since it is smaller than the sum of its proper divisors (4865502521000).

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

3131030023000 is a wasteful number, since it uses less digits than its factorization.

3131030023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137738 (or 137724 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 3131030023000 its reverse (3200301313), we get a palindrome (3134230324313).

The spelling of 3131030023000 in words is "three trillion, one hundred thirty-one billion, thirty million, twenty-three thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1375 2099 2200 2750 4198 5500 8396 10495 11000 16792 20990 23089 41980 46178 52475 83960 92356 104950 115445 135607 184712 209900 230890 262375 271214 419800 461780 524750 542428 577225 678035 923560 1049500 1084856 1154450 1356070 1491677 2099000 2308900 2712140 2886125 2983354 3390175 4617800 5424280 5772250 5966708 6780350 7458385 11544500 11933416 13560700 14916770 16950875 23089000 27121400 29833540 33901750 37291925 59667080 67803500 74583850 135607000 149167700 186459625 284639093 298335400 372919250 569278186 745838500 1138556372 1423195465 1491677000 2277112744 2846390930 3131030023 5692781860 6262060046 7115977325 11385563720 12524120092 14231954650 15655150115 25048240184 28463909300 31310300230 35579886625 56927818600 62620600460 71159773250 78275750575 125241200920 142319546500 156551501150 284639093000 313103002300 391378752875 626206004600 782757505750 1565515011500 3131030023000