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13132130131261 is a prime number
BaseRepresentation
bin1011111100011000111111…
…1100111001110100111101
31201111102022201122122122201
42333012033330321310331
53210124100303200021
643532452311511501
72523523266236101
oct277061774716475
951442281578581
1013132130131261
11420333a117a89
121581117988591
1374347bc6a73b
14335854381901
1517b8e4515591
hexbf18ff39d3d

13132130131261 has 2 divisors, whose sum is σ = 13132130131262. Its totient is φ = 13132130131260.

The previous prime is 13132130131073. The next prime is 13132130131271. The reversal of 13132130131261 is 16213103123131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11972188207225 + 1159941924036 = 3460085^2 + 1077006^2 .

It is a cyclic number.

It is not a de Polignac number, because 13132130131261 - 217 = 13132130000189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13132130131271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6566065065630 + 6566065065631.

It is an arithmetic number, because the mean of its divisors is an integer number (6566065065631).

Almost surely, 213132130131261 is an apocalyptic number.

It is an amenable number.

13132130131261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13132130131261 is an equidigital number, since it uses as much as digits as its factorization.

13132130131261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

Adding to 13132130131261 its reverse (16213103123131), we get a palindrome (29345233254392).

The spelling of 13132130131261 in words is "thirteen trillion, one hundred thirty-two billion, one hundred thirty million, one hundred thirty-one thousand, two hundred sixty-one".