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12031200131 is a prime number
BaseRepresentation
bin10110011010001110…
…11000101110000011
31011001110211021212212
423031013120232003
5144114441401011
65305502212335
7604100341136
oct131507305603
934043737785
1012031200131
115114331805
1223b92840ab
131199769b42
14821c2021d
154a638508b
hex2cd1d8b83

12031200131 has 2 divisors, whose sum is σ = 12031200132. Its totient is φ = 12031200130.

The previous prime is 12031200109. The next prime is 12031200151. The reversal of 12031200131 is 13100213021.

12031200131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12031200131 is a prime.

It is a super-2 number, since 2×120312001312 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12031200151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015600065 + 6015600066.

It is an arithmetic number, because the mean of its divisors is an integer number (6015600066).

Almost surely, 212031200131 is an apocalyptic number.

12031200131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031200131 is an equidigital number, since it uses as much as digits as its factorization.

12031200131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12031200131 its reverse (13100213021), we get a palindrome (25131413152).

The spelling of 12031200131 in words is "twelve billion, thirty-one million, two hundred thousand, one hundred thirty-one".