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131108636101 is a prime number
BaseRepresentation
bin111101000011010101…
…1110000010111000101
3110112102012000210110011
41322012223300113011
54122002302323401
6140121441030221
712320665006402
oct1720653602705
9415365023404
10131108636101
115066a452913
12214b0025371
13c49578a321
1464ba8152a9
153625353451
hex1e86af05c5

131108636101 has 2 divisors, whose sum is σ = 131108636102. Its totient is φ = 131108636100.

The previous prime is 131108636077. The next prime is 131108636111. The reversal of 131108636101 is 101636801131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115664609025 + 15444027076 = 340095^2 + 124274^2 .

It is a cyclic number.

It is not a de Polignac number, because 131108636101 - 25 = 131108636069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131108636111) 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, 65554318050 + 65554318051.

It is an arithmetic number, because the mean of its divisors is an integer number (65554318051).

Almost surely, 2131108636101 is an apocalyptic number.

It is an amenable number.

131108636101 is a deficient number, since it is larger than the sum of its proper divisors (1).

131108636101 is an equidigital number, since it uses as much as digits as its factorization.

131108636101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 131108636101 in words is "one hundred thirty-one billion, one hundred eight million, six hundred thirty-six thousand, one hundred one".