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131230454093 is a prime number
BaseRepresentation
bin111101000110111110…
…0011101000101001101
3110112201200020210022122
41322031330131011031
54122224444012333
6140141512022325
712324004312034
oct1721574350515
9415650223278
10131230454093
1150722196542
12215249919a5
13c4b4a9c88b
1464cca8571b
153630db7798
hex1e8df1d14d

131230454093 has 2 divisors, whose sum is σ = 131230454094. Its totient is φ = 131230454092.

The previous prime is 131230454077. The next prime is 131230454123. The reversal of 131230454093 is 390454032131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118393110889 + 12837343204 = 344083^2 + 113302^2 .

It is a cyclic number.

It is not a de Polignac number, because 131230454093 - 24 = 131230454077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131230454053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65615227046 + 65615227047.

It is an arithmetic number, because the mean of its divisors is an integer number (65615227047).

Almost surely, 2131230454093 is an apocalyptic number.

It is an amenable number.

131230454093 is a deficient number, since it is larger than the sum of its proper divisors (1).

131230454093 is an equidigital number, since it uses as much as digits as its factorization.

131230454093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 131230454093 in words is "one hundred thirty-one billion, two hundred thirty million, four hundred fifty-four thousand, ninety-three".