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131203222221330 = 2345783278793953
BaseRepresentation
bin11101110101010000100001…
…011101000011001000010010
3122012112220110010220012110000
4131311100201131003020102
5114144113144342040310
61143013532253550430
736431056104635010
oct3565204135031022
9565486403805400
10131203222221330
1138894a79534956
12128700917a5416
1358295455bbc1c
1424583ac6178b0
151027d6c0c14c0
hex775421743212

131203222221330 has 160 divisors (see below), whose sum is σ = 408047291777664. Its totient is φ = 29627990866944.

The previous prime is 131203222221241. The next prime is 131203222221373. The reversal of 131203222221330 is 33122222302131.

131203222221330 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 0 + 322 + 2 + 2 + 2 + 1 + 330 = 666.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131203222221294 and 131203222221303.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 138926367 + ... + 139867586.

Almost surely, 2131203222221330 is an apocalyptic number.

131203222221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131203222221330 is an abundant number, since it is smaller than the sum of its proper divisors (276844069556334).

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

131203222221330 is a wasteful number, since it uses less digits than its factorization.

131203222221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278794062 (or 278794053 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 131203222221330 its reverse (33122222302131), we get a palindrome (164325444523461).

The spelling of 131203222221330 in words is "one hundred thirty-one trillion, two hundred three billion, two hundred twenty-two million, two hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 83 90 105 126 135 162 166 189 210 249 270 315 378 405 415 498 567 581 630 747 810 830 945 1134 1162 1245 1494 1743 1890 2241 2490 2835 2905 3486 3735 4482 5229 5670 5810 6723 7470 8715 10458 11205 13446 15687 17430 22410 26145 31374 33615 47061 52290 67230 78435 94122 156870 235305 470610 278793953 557587906 836381859 1393969765 1672763718 1951557671 2509145577 2787939530 3903115342 4181909295 5018291154 5854673013 7527436731 8363818590 9757788355 11709346026 12545727885 15054873462 17564019039 19515576710 22582310193 23139898099 25091455770 29273365065 35128038078 37637183655 45164620386 46279796198 52692057117 58546730130 69419694297 75274367310 87820095195 105384114234 112911550965 115699490495 138839388594 158076171351 161979286693 175640190390 208259082891 225823101930 231398980990 263460285585 316152342702 323958573386 347098471485 416518165782 485937860079 526920571170 624777248673 694196942970 790380856755 809896433465 971875720158 1041295414455 1249554497346 1457813580237 1580761713510 1619792866930 1874331746019 2082590828910 2429689300395 2915627160474 3123886243365 3748663492038 4373440740711 4859378600790 6247772486730 7289067901185 8746881481422 9371658730095 13120322222133 14578135802370 18743317460190 21867203703555 26240644444266 43734407407110 65601611110665 131203222221330