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103131332102100 = 22352975416550891
BaseRepresentation
bin10111011100110000100010…
…011010100100011111010100
3111112011020222212002211220110
4113130300202122210133110
5102004200432004231400
61003201514021003020
730502664356636311
oct2734604232443724
9445136885084813
10103131332102100
112a951830386005
12b697662553470
134571320815363
141b6782408dd08
15bdca38ca8e50
hex5dcc226a47d4

103131332102100 has 144 divisors (see below), whose sum is σ = 302026831781696. Its totient is φ = 27167851008000.

The previous prime is 103131332102081. The next prime is 103131332102107. The reversal of 103131332102100 is 1201233131301.

It is a happy number.

It is a super-2 number, since 2×1031313321021002 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103131332102107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12467655 + ... + 19018545.

Almost surely, 2103131332102100 is an apocalyptic number.

103131332102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103131332102100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151013415890848).

103131332102100 is an abundant number, since it is smaller than the sum of its proper divisors (198895499679596).

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

103131332102100 is a wasteful number, since it uses less digits than its factorization.

103131332102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551546 (or 6551539 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 103131332102100 its reverse (1201233131301), we get a palindrome (104332565233401).

The spelling of 103131332102100 in words is "one hundred three trillion, one hundred thirty-one billion, three hundred thirty-two million, one hundred two thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 97 100 150 194 291 300 388 485 541 582 970 1082 1164 1455 1623 1940 2164 2425 2705 2910 3246 4850 5410 5820 6492 7275 8115 9700 10820 13525 14550 16230 27050 29100 32460 40575 52477 54100 81150 104954 157431 162300 209908 262385 314862 524770 629724 787155 1049540 1311925 1574310 2623850 3148620 3935775 5247700 6550891 7871550 13101782 15743100 19652673 26203564 32754455 39305346 65508910 78610692 98263365 131017820 163772275 196526730 327544550 393053460 491316825 635436427 655089100 982633650 1270872854 1906309281 1965267300 2541745708 3177182135 3544032031 3812618562 6354364270 7088064062 7625237124 9531546405 10632096093 12708728540 14176128124 15885910675 17720160155 19063092810 21264192186 31771821350 35440320310 38126185620 42528384372 47657732025 53160480465 63543642700 70880640620 88600800775 95315464050 106320960930 177201601550 190630928100 212641921860 265802402325 343771107007 354403203100 531604804650 687542214014 1031313321021 1063209609300 1375084428028 1718855535035 2062626642042 3437711070070 4125253284084 5156566605105 6875422140140 8594277675175 10313133210210 17188555350350 20626266420420 25782833025525 34377110700700 51565666051050 103131332102100