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12103004131 is a prime number
BaseRepresentation
bin10110100010110010…
…10010111111100011
31011020110221022110021
423101121102333203
5144241332113011
65320545214311
7605631560221
oct132131227743
934213838407
1012103004131
115150915159
122419331397
1311ab5ba80a
1482b591b11
154ac81a471
hex2d1652fe3

12103004131 has 2 divisors, whose sum is σ = 12103004132. Its totient is φ = 12103004130.

The previous prime is 12103004107. The next prime is 12103004149. The reversal of 12103004131 is 13140030121.

It is a strong prime.

It is an emirp because it is prime and its reverse (13140030121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12103004131 - 27 = 12103004003 is a prime.

It is a super-2 number, since 2×121030041312 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12103007131) 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, 6051502065 + 6051502066.

It is an arithmetic number, because the mean of its divisors is an integer number (6051502066).

Almost surely, 212103004131 is an apocalyptic number.

12103004131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103004131 is an equidigital number, since it uses as much as digits as its factorization.

12103004131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12103004131 its reverse (13140030121), we get a palindrome (25243034252).

The spelling of 12103004131 in words is "twelve billion, one hundred three million, four thousand, one hundred thirty-one".