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130311231330 = 23572347574033
BaseRepresentation
bin111100101011100100…
…1111001011101100010
3110110100121120102202010
41321113021321131202
54113334133400310
6135510353533350
712262143122220
oct1712711713542
9413317512663
10130311231330
11502a0324905
1221308b74256
13c399505797
146442963b10
1535ca340320
hex1e57279762

130311231330 has 128 divisors (see below), whose sum is σ = 380901408768. Its totient is φ = 27884178432.

The previous prime is 130311231319. The next prime is 130311231383. The reversal of 130311231330 is 33132113031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 130311231297 and 130311231306.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60007 + ... + 514026.

It is an arithmetic number, because the mean of its divisors is an integer number (2975792256).

Almost surely, 2130311231330 is an apocalyptic number.

130311231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130311231330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190450704384).

130311231330 is an abundant number, since it is smaller than the sum of its proper divisors (250590177438).

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

130311231330 is a wasteful number, since it uses less digits than its factorization.

130311231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574120.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 130311231330 its reverse (33132113031), we get a palindrome (163443344361).

The spelling of 130311231330 in words is "one hundred thirty billion, three hundred eleven million, two hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 23 30 35 42 46 47 69 70 94 105 115 138 141 161 210 230 235 282 322 329 345 470 483 658 690 705 805 966 987 1081 1410 1610 1645 1974 2162 2415 3243 3290 4830 4935 5405 6486 7567 9870 10810 15134 16215 22701 32430 37835 45402 75670 113505 227010 574033 1148066 1722099 2870165 3444198 4018231 5740330 8036462 8610495 12054693 13202759 17220990 20091155 24109386 26405518 26979551 39608277 40182310 53959102 60273465 66013795 79216554 80938653 92419313 120546930 132027590 134897755 161877306 184838626 188856857 198041385 269795510 277257939 377713714 396082770 404693265 462096565 554515878 566570571 620529673 809386530 924193130 944284285 1133141142 1241059346 1386289695 1861589019 1888568570 2772579390 2832852855 3102648365 3723178038 4343707711 5665705710 6205296730 8687415422 9307945095 13031123133 18615890190 21718538555 26062246266 43437077110 65155615665 130311231330