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31106000001105 = 33519163433171823
BaseRepresentation
bin1110001001010011011100…
…00101001001100001010001
311002010201000121211011102000
413010221232011021201101
513034120042000013410
6150053522113344213
76360222451315311
oct704515605114121
9132121017734360
1031106000001105
119a02a87083747
1235a4674568069
13144838b2b3923
14797777663441
1538e2123b2dc0
hex1c4a6e149851

31106000001105 has 128 divisors (see below), whose sum is σ = 58702776115200. Its totient is φ = 15584128939008.

The previous prime is 31106000001071. The next prime is 31106000001127. The reversal of 31106000001105 is 50110000060113.

It is not a de Polignac number, because 31106000001105 - 225 = 31105966446673 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 180949224 + ... + 181121046.

It is an arithmetic number, because the mean of its divisors is an integer number (458615438400).

Almost surely, 231106000001105 is an apocalyptic number.

It is an amenable number.

31106000001105 is a deficient number, since it is larger than the sum of its proper divisors (27596776114095).

31106000001105 is a wasteful number, since it uses less digits than its factorization.

31106000001105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172452 (or 172446 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

Adding to 31106000001105 its reverse (50110000060113), we get a palindrome (81216000061218).

The spelling of 31106000001105 in words is "thirty-one trillion, one hundred six billion, one thousand, one hundred five".

Divisors: 1 3 5 9 15 19 27 45 57 95 135 163 171 285 433 489 513 815 855 1299 1467 2165 2445 2565 3097 3897 4401 6495 7335 8227 9291 11691 15485 19485 22005 24681 27873 41135 46455 58455 70579 74043 83619 123405 139365 171823 211737 222129 352895 370215 418095 515469 635211 859115 1058685 1110645 1341001 1546407 1905633 2577345 3176055 3264637 4023003 4639221 6705005 7732035 9528165 9793911 12069009 16323185 20115015 23196105 28007149 29381733 36207027 48969555 60345045 74399359 84021447 88145199 140035745 146908665 181035135 223198077 252064341 371996795 420107235 440725995 532135831 669594231 756193023 1115990385 1260321705 1413587821 1596407493 2008782693 2660679155 3347971155 3780965115 4240763463 4789222479 7067939105 7982037465 10043913465 12127095517 12722290389 14367667437 21203817315 23946112395 36381286551 38166871167 60635477585 63611451945 71838337185 109143859653 181906432755 190834355835 230414814823 327431578959 545719298265 691244444469 1152074074115 1637157894795 2073733333407 3456222222345 6221200000221 10368666667035 31106000001105