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122131131103 is a prime number
BaseRepresentation
bin111000110111110010…
…1010010101011011111
3102200020112021021210001
41301233211102223133
54000111032143403
6132034541555131
711552344325422
oct1615745225337
9380215237701
10122131131103
11478829264a3
121b805575aa7
13b694884ca7
145ca83b79b9
15329c11bc1d
hex1c6f952adf

122131131103 has 2 divisors, whose sum is σ = 122131131104. Its totient is φ = 122131131102.

The previous prime is 122131131049. The next prime is 122131131173. The reversal of 122131131103 is 301131131221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122131131103 - 29 = 122131130591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122131131173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61065565551 + 61065565552.

It is an arithmetic number, because the mean of its divisors is an integer number (61065565552).

Almost surely, 2122131131103 is an apocalyptic number.

122131131103 is a deficient number, since it is larger than the sum of its proper divisors (1).

122131131103 is an equidigital number, since it uses as much as digits as its factorization.

122131131103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 122131131103 its reverse (301131131221), we get a palindrome (423262262324).

The spelling of 122131131103 in words is "one hundred twenty-two billion, one hundred thirty-one million, one hundred thirty-one thousand, one hundred three".