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131230233330 = 23571736759169
BaseRepresentation
bin111101000110111101…
…1100111001011110010
3110112201122211120111020
41322031323213023302
54122224414431310
6140141503200310
712324002402310
oct1721573471362
9415648746436
10131230233330
1150722055699
12215248a6096
13c4b4a23251
1464cca290b0
153630d72170
hex1e8dee72f2

131230233330 has 64 divisors (see below), whose sum is σ = 381119074560. Its totient is φ = 28231041024.

The previous prime is 131230233293. The next prime is 131230233373. The reversal of 131230233330 is 33332032131.

It is a self number, because there is not a number n which added to its sum of digits gives 131230233330.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 18376015 + ... + 18383154.

It is an arithmetic number, because the mean of its divisors is an integer number (5954985540).

Almost surely, 2131230233330 is an apocalyptic number.

131230233330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131230233330 is an abundant number, since it is smaller than the sum of its proper divisors (249888841230).

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

131230233330 is a wasteful number, since it uses less digits than its factorization.

131230233330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36759203.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 131230233330 its reverse (33332032131), we get a palindrome (164562265461).

The spelling of 131230233330 in words is "one hundred thirty-one billion, two hundred thirty million, two hundred thirty-three thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 70 85 102 105 119 170 210 238 255 357 510 595 714 1190 1785 3570 36759169 73518338 110277507 183795845 220555014 257314183 367591690 514628366 551387535 624905873 771942549 1102775070 1249811746 1286570915 1543885098 1874717619 2573141830 3124529365 3749435238 3859712745 4374341111 6249058730 7719425490 8748682222 9373588095 13123023333 18747176190 21871705555 26246046666 43743411110 65615116665 131230233330