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131301323323110 = 23353150233123061
BaseRepresentation
bin11101110110101011111000…
…101111000011011011100110
3122012220021122222102112001000
4131312223320233003123212
5114202220102232314420
61143130554545014130
736441131123353053
oct3566537057033346
9565807588375030
10131301323323110
113892263aaa7686
12128870ab624346
13583587a892445
14245d0373ba02a
15102a6ae769690
hex776af8bc36e6

131301323323110 has 128 divisors (see below), whose sum is σ = 361503670763520. Its totient is φ = 33877455811200.

The previous prime is 131301323323031. The next prime is 131301323323111. The reversal of 131301323323110 is 11323323103131.

131301323323110 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 0 + 1 + 323 + 323 + 1 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131301323323111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40480980 + ... + 43604040.

It is an arithmetic number, because the mean of its divisors is an integer number (2824247427840).

Almost surely, 2131301323323110 is an apocalyptic number.

131301323323110 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 131301323323110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180751835381760).

131301323323110 is an abundant number, since it is smaller than the sum of its proper divisors (230202347440410).

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

131301323323110 is a wasteful number, since it uses less digits than its factorization.

131301323323110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128131 (or 3128125 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 131301323323110 its reverse (11323323103131), we get a palindrome (142624646426241).

The spelling of 131301323323110 in words is "one hundred thirty-one trillion, three hundred one billion, three hundred twenty-three million, three hundred twenty-three thousand, one hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 31 45 54 62 90 93 135 155 186 270 279 310 465 558 837 930 1395 1674 2790 4185 5023 8370 10046 15069 25115 30138 45207 50230 75345 90414 135621 150690 155713 226035 271242 311426 452070 467139 678105 778565 934278 1356210 1401417 1557130 2335695 2802834 3123061 4204251 4671390 6246122 7007085 8408502 9369183 14014170 15615305 18738366 21021255 28107549 31230610 42042510 46845915 56215098 84322647 93691830 96814891 140537745 168645294 193629782 281075490 290444673 421613235 484074455 580889346 843226470 871334019 968148910 1452223365 1742668038 2614002057 2904446730 4356670095 5228004114 8713340190 13070010285 15687135403 26140020570 31374270806 47061406209 78435677015 94122812418 141184218627 156871354030 235307031045 282368437254 423552655881 470614062090 486301197493 705921093135 847105311762 972602394986 1411842186270 1458903592479 2117763279405 2431505987465 2917807184958 4235526558810 4376710777437 4863011974930 7294517962395 8753421554874 13130132332311 14589035924790 21883553887185 26260264664622 43767107774370 65650661661555 131301323323110