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131010330100 = 225213971103787
BaseRepresentation
bin111101000000011010…
…0101111110111110100
3110112011100001022222011
41322000310233313310
54121302121030400
6140104010014004
712315362301106
oct1720064576764
9415140038864
10131010330100
1150619a09091
1221483117304
13c47b2ba8b0
1464ab745576
15361b8d58ba
hex1e80d2fdf4

131010330100 has 72 divisors (see below), whose sum is σ = 306479321568. Its totient is φ = 48322761600.

The previous prime is 131010330079. The next prime is 131010330211. The reversal of 131010330100 is 1033010131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1210407 + ... + 1314193.

It is an arithmetic number, because the mean of its divisors is an integer number (4256657244).

Almost surely, 2131010330100 is an apocalyptic number.

131010330100 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 131010330100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153239660784).

131010330100 is an abundant number, since it is smaller than the sum of its proper divisors (175468991468).

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

131010330100 is a wasteful number, since it uses less digits than its factorization.

131010330100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104785 (or 104778 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 131010330100 its reverse (1033010131), we get a palindrome (132043340231).

The spelling of 131010330100 in words is "one hundred thirty-one billion, ten million, three hundred thirty thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 971 1300 1942 3884 4855 9710 12623 19420 24275 25246 48550 50492 63115 97100 103787 126230 207574 252460 315575 415148 518935 631150 1037870 1262300 1349231 2075740 2594675 2698462 5189350 5396924 6746155 10378700 13492310 26984620 33730775 67461550 100777177 134923100 201554354 403108708 503885885 1007771770 1310103301 2015543540 2519429425 2620206602 5038858850 5240413204 6550516505 10077717700 13101033010 26202066020 32752582525 65505165050 131010330100