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131321101210120 = 2359973292906249
BaseRepresentation
bin11101110110111110010011…
…100101101101001000001000
3122012222011201100000021112201
4131312332103211231020020
5114203031103402210440
61143144025301445544
736442431210543163
oct3566762345551010
9565864640007481
10131321101210120
113892aa6a10a948
121288aaab1108b4
1358376b023c973
14245dd91da4ada
15102ae6ac5e19a
hex776f9396d208

131321101210120 has 32 divisors (see below), whose sum is σ = 295768839375000. Its totient is φ = 52475753968128.

The previous prime is 131321101210111. The next prime is 131321101210133. The reversal of 131321101210120 is 21012101123131.

131321101210120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 131314960607076 + 6140603044 = 11459274^2 + 78362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1646413245 + ... + 1646493004.

Almost surely, 2131321101210120 is an apocalyptic number.

131321101210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131321101210120 is an abundant number, since it is smaller than the sum of its proper divisors (164447738164880).

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

131321101210120 is a wasteful number, since it uses less digits than its factorization.

131321101210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292907257 (or 3292907253 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 131321101210120 its reverse (21012101123131), we get a palindrome (152333202333251).

The spelling of 131321101210120 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, one hundred one million, two hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 997 1994 3988 4985 7976 9970 19940 39880 3292906249 6585812498 13171624996 16464531245 26343249992 32929062490 65858124980 131716249960 3283027530253 6566055060506 13132110121012 16415137651265 26264220242024 32830275302530 65660550605060 131321101210120