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131638836011 is a prime number
BaseRepresentation
bin111101010011001001…
…0010011101100101011
3110120210010200201222212
41322212102103230223
54124044020223021
6140250221035335
712340063433624
oct1724622235453
9416703621885
10131638836011
1150911766961
12216196b5b4b
13c54b587397
14652adcca4b
153656b8485b
hex1ea6493b2b

131638836011 has 2 divisors, whose sum is σ = 131638836012. Its totient is φ = 131638836010.

The previous prime is 131638835983. The next prime is 131638836037. The reversal of 131638836011 is 110638836131.

It is a strong prime.

It is an emirp because it is prime and its reverse (110638836131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131638836011 - 234 = 114458966827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131638836011.

It is not a weakly prime, because it can be changed into another prime (131638839011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65819418005 + 65819418006.

It is an arithmetic number, because the mean of its divisors is an integer number (65819418006).

Almost surely, 2131638836011 is an apocalyptic number.

131638836011 is a deficient number, since it is larger than the sum of its proper divisors (1).

131638836011 is an equidigital number, since it uses as much as digits as its factorization.

131638836011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 131638836011 in words is "one hundred thirty-one billion, six hundred thirty-eight million, eight hundred thirty-six thousand, eleven".