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2131130110120 = 2351110147955223
BaseRepresentation
bin11111000000110001010…
…000001101000010101000
321112201211010021122020021
4133000301100031002220
5234404023302010440
64311005550210224
7306653251023064
oct37006120150250
97481733248207
102131130110120
11751897430420
122a503b1b3974
13125c705cc9cb
147520c094aa4
153a68017384a
hex1f03140d0a8

2131130110120 has 64 divisors (see below), whose sum is σ = 5282747475840. Its totient is φ = 767283552000.

The previous prime is 2131130110091. The next prime is 2131130110159. The reversal of 2131130110120 is 210110311312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2131130110094 and 2131130110103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23933172 + ... + 24022051.

It is an arithmetic number, because the mean of its divisors is an integer number (82542929310).

Almost surely, 22131130110120 is an apocalyptic number.

2131130110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131130110120 is an abundant number, since it is smaller than the sum of its proper divisors (3151617365720).

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

2131130110120 is a wasteful number, since it uses less digits than its factorization.

2131130110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47955346 (or 47955342 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2131130110120 its reverse (210110311312), we get a palindrome (2341240421432).

The spelling of 2131130110120 in words is "two trillion, one hundred thirty-one billion, one hundred thirty million, one hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 101 110 202 220 404 440 505 808 1010 1111 2020 2222 4040 4444 5555 8888 11110 22220 44440 47955223 95910446 191820892 239776115 383641784 479552230 527507453 959104460 1055014906 1918208920 2110029812 2637537265 4220059624 4843477523 5275074530 9686955046 10550149060 19373910092 21100298120 24217387615 38747820184 48434775230 53278252753 96869550460 106556505506 193739100920 213113011012 266391263765 426226022024 532782527530 1065565055060 2131130110120