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131102403320212 = 2240586980754137
BaseRepresentation
bin11101110011110010101000…
…001011011101100110010100
3122012012021012220100101001021
4131303302220023131212110
5114140440210222221322
61142455340155010524
736420556525261462
oct3563625013354624
9565167186311037
10131102403320212
1138856242929275
1212854635739a44
13581cb9923c40c
14245356690b832
15102541b0294c7
hex773ca82dd994

131102403320212 has 12 divisors (see below), whose sum is σ = 229429773930420. Its totient is φ = 65551039340096.

The previous prime is 131102403320201. The next prime is 131102403320227. The reversal of 131102403320212 is 212023304201131.

It can be written as a sum of positive squares in 2 ways, for example, as 102986490947076 + 28115912373136 = 10148226^2 + 5302444^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38753593 + ... + 42000544.

It is an arithmetic number, because the mean of its divisors is an integer number (19119147827535).

Almost surely, 2131102403320212 is an apocalyptic number.

It is an amenable number.

131102403320212 is a deficient number, since it is larger than the sum of its proper divisors (98327370610208).

131102403320212 is a wasteful number, since it uses less digits than its factorization.

131102403320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81160010 (or 81160008 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 131102403320212 its reverse (212023304201131), we get a palindrome (343125707521343).

The spelling of 131102403320212 in words is "one hundred thirty-one trillion, one hundred two billion, four hundred three million, three hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 405869 811738 1623476 80754137 161508274 323016548 32775600830053 65551201660106 131102403320212