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131312221230303 = 3219767907726493
BaseRepresentation
bin11101110110110110000010…
…010011010001010011011111
3122012221022210110202120021100
4131312312002103101103133
5114202404412113332203
61143140000205004143
736441665153136201
oct3566660223212337
9565838713676240
10131312221230303
1138927222644653
1212889231253653
1358368c65c2839
14245d78c8b2771
15102aaeb38dea3
hex776d824d14df

131312221230303 has 12 divisors (see below), whose sum is σ = 199656008888440. Its totient is φ = 82934034461136.

The previous prime is 131312221230283. The next prime is 131312221230331. The reversal of 131312221230303 is 303032122213131.

131312221230303 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 122 + 2 + 1 + 230 + 303 = 666.

It is not a de Polignac number, because 131312221230303 - 210 = 131312221229279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131312221230353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383953863076 + ... + 383953863417.

Almost surely, 2131312221230303 is an apocalyptic number.

131312221230303 is a deficient number, since it is larger than the sum of its proper divisors (68343787658137).

131312221230303 is a wasteful number, since it uses less digits than its factorization.

131312221230303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767907726518 (or 767907726515 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 131312221230303 its reverse (303032122213131), we get a palindrome (434344343443434).

The spelling of 131312221230303 in words is "one hundred thirty-one trillion, three hundred twelve billion, two hundred twenty-one million, two hundred thirty thousand, three hundred three".

Divisors: 1 3 9 19 57 171 767907726493 2303723179479 6911169538437 14590246803367 43770740410101 131312221230303