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131230130200 = 23521350473127
BaseRepresentation
bin111101000110111101…
…1001110000000011000
3110112201122122100000121
41322031323032000120
54122224403131300
6140141501043024
712324001462531
oct1721573160030
9415648570017
10131230130200
1150721a95164
1221524856474
13c4b49b8320
1464cc9dd688
153630d5181a
hex1e8dece018

131230130200 has 48 divisors (see below), whose sum is σ = 328580063280. Its totient is φ = 48454200960.

The previous prime is 131230130197. The next prime is 131230130263. The reversal of 131230130200 is 2031032131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25233964 + ... + 25239163.

It is an arithmetic number, because the mean of its divisors is an integer number (6845417985).

Almost surely, 2131230130200 is an apocalyptic number.

131230130200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131230130200 is an abundant number, since it is smaller than the sum of its proper divisors (197349933080).

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

131230130200 is a wasteful number, since it uses less digits than its factorization.

131230130200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50473156 (or 50473147 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 131230130200 its reverse (2031032131), we get a palindrome (133261162331).

The spelling of 131230130200 in words is "one hundred thirty-one billion, two hundred thirty million, one hundred thirty thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 130 200 260 325 520 650 1300 2600 50473127 100946254 201892508 252365635 403785016 504731270 656150651 1009462540 1261828175 1312301302 2018925080 2523656350 2624602604 3280753255 5047312700 5249205208 6561506510 10094625400 13123013020 16403766275 26246026040 32807532550 65615065100 131230130200