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131300243300 = 22524211311803
BaseRepresentation
bin111101001001000011…
…0101011011101100100
3110112220112120110010002
41322102012223131210
54122400330241200
6140152443520432
712325512440102
oct1722206533544
9415815513102
10131300243300
1150758623176
1221544229118
13c4c6396475
1464d8050c72
1536370a0bd5
hex1e921ab764

131300243300 has 36 divisors (see below), whose sum is σ = 284990103216. Its totient is φ = 52507456800.

The previous prime is 131300243297. The next prime is 131300243341. The reversal of 131300243300 is 3342003131.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 11 ways as a sum of consecutive naturals, for example, 265199 + ... + 577001.

It is an arithmetic number, because the mean of its divisors is an integer number (7916391756).

Almost surely, 2131300243300 is an apocalyptic number.

131300243300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131300243300 is an abundant number, since it is smaller than the sum of its proper divisors (153689859916).

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

131300243300 is a wasteful number, since it uses less digits than its factorization.

131300243300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316028 (or 316021 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 131300243300 its reverse (3342003131), we get a palindrome (134642246431).

The spelling of 131300243300 in words is "one hundred thirty-one billion, three hundred million, two hundred forty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 4211 8422 16844 21055 42110 84220 105275 210550 311803 421100 623606 1247212 1559015 3118030 6236060 7795075 15590150 31180300 1313002433 2626004866 5252009732 6565012165 13130024330 26260048660 32825060825 65650121650 131300243300