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131110013100 = 223521160166107
BaseRepresentation
bin111101000011011000…
…1000000100010101100
3110112102021121202100010
41322012301000202230
54122003130404400
6140121530333220
712321012503103
oct1720661004254
9415367552303
10131110013100
1150670203430
12214b058a210
13c495b50011
1464baa9303a
153625526450
hex1e86c408ac

131110013100 has 144 divisors (see below), whose sum is σ = 414525718656. Its totient is φ = 31730880000.

The previous prime is 131110013093. The next prime is 131110013123. The reversal of 131110013100 is 1310011131.

It is a super-2 number, since 2×1311100131002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1950247 + ... + 2016353.

It is an arithmetic number, because the mean of its divisors is an integer number (2878650824).

Almost surely, 2131110013100 is an apocalyptic number.

131110013100 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 131110013100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207262859328).

131110013100 is an abundant number, since it is smaller than the sum of its proper divisors (283415705556).

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

131110013100 is a wasteful number, since it uses less digits than its factorization.

131110013100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66736 (or 66729 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 131110013100 its reverse (1310011131), we get a palindrome (132420024231).

The spelling of 131110013100 in words is "one hundred thirty-one billion, one hundred ten million, thirteen thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 25 30 33 44 50 55 60 66 75 100 110 132 150 165 220 275 300 330 550 601 660 825 1100 1202 1650 1803 2404 3005 3300 3606 6010 6611 7212 9015 12020 13222 15025 18030 19833 26444 30050 33055 36060 39666 45075 60100 66107 66110 79332 90150 99165 132214 132220 165275 180300 198321 198330 264428 330535 330550 396642 396660 495825 661070 661100 727177 793284 991605 991650 1322140 1454354 1652675 1983210 1983300 2181531 2908708 3305350 3635885 3966420 4363062 4958025 6610700 7271770 8726124 9916050 10907655 14543540 18179425 19832100 21815310 36358850 39730307 43630620 54538275 72717700 79460614 109076550 119190921 158921228 198651535 218153100 238381842 397303070 437033377 476763684 595954605 794606140 874066754 993257675 1191909210 1311100131 1748133508 1986515350 2185166885 2383818420 2622200262 2979773025 3973030700 4370333770 5244400524 5959546050 6555500655 8740667540 10925834425 11919092100 13111001310 21851668850 26222002620 32777503275 43703337700 65555006550 131110013100