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131003201230 = 25114179367687
BaseRepresentation
bin111101000000001100…
…1100011011011001110
3110112010211122010222221
41322000121203123032
54121243304414410
6140103153125554
712315244560166
oct1720031433316
9415124563887
10131003201230
115061598a060
12214808598ba
13c479992b25
1464aa80b5a6
15361ae784da
hex1e806636ce

131003201230 has 64 divisors (see below), whose sum is σ = 266853242880. Its totient is φ = 45887212800.

The previous prime is 131003201171. The next prime is 131003201261. The reversal of 131003201230 is 32102300131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172447 + ... + 540133.

It is an arithmetic number, because the mean of its divisors is an integer number (4169581920).

Almost surely, 2131003201230 is an apocalyptic number.

131003201230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131003201230 is an abundant number, since it is smaller than the sum of its proper divisors (135850041650).

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

131003201230 is a wasteful number, since it uses less digits than its factorization.

131003201230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367825.

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

Adding to 131003201230 its reverse (32102300131), we get a palindrome (163105501361).

It can be divided in two parts, 131003 and 201230, that added together give a palindrome (332233).

The spelling of 131003201230 in words is "one hundred thirty-one billion, three million, two hundred one thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 41 55 79 82 110 158 205 395 410 451 790 869 902 1738 2255 3239 4345 4510 6478 8690 16195 32390 35629 71258 178145 356290 367687 735374 1838435 3676870 4044557 8089114 15075167 20222785 29047273 30150334 40445570 58094546 75375835 145236365 150751670 165826837 290472730 319520003 331653674 639040006 829134185 1190938193 1597600015 1658268370 2381876386 3195200030 5954690965 11909381930 13100320123 26200640246 65501600615 131003201230