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131303120329 is a prime number
BaseRepresentation
bin111101001001001000…
…1101001110111001001
3110112220201222121122201
41322102101221313021
54122402044322304
6140153025320201
712325546051663
oct1722221516711
9415821877581
10131303120329
115075a208787
1221545196061
13c4c6b62b54
1464d859d533
15363746d3a4
hex1e92469dc9

131303120329 has 2 divisors, whose sum is σ = 131303120330. Its totient is φ = 131303120328.

The previous prime is 131303120293. The next prime is 131303120339. The reversal of 131303120329 is 923021303131.

Together with previous prime (131303120293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88534812304 + 42768308025 = 297548^2 + 206805^2 .

It is a cyclic number.

It is not a de Polignac number, because 131303120329 - 229 = 130766249417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131303120297 and 131303120306.

It is not a weakly prime, because it can be changed into another prime (131303120339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651560164 + 65651560165.

It is an arithmetic number, because the mean of its divisors is an integer number (65651560165).

Almost surely, 2131303120329 is an apocalyptic number.

It is an amenable number.

131303120329 is a deficient number, since it is larger than the sum of its proper divisors (1).

131303120329 is an equidigital number, since it uses as much as digits as its factorization.

131303120329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 131303120329 in words is "one hundred thirty-one billion, three hundred three million, one hundred twenty thousand, three hundred twenty-nine".