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12140131 is a prime number
BaseRepresentation
bin101110010011…
…111001100011
3211211210010111
4232103321203
511101441011
61112112151
7205121653
oct56237143
924753114
1012140131
116942073
124095657
132690a13
141880363
1510ec121
hexb93e63

12140131 has 2 divisors, whose sum is σ = 12140132. Its totient is φ = 12140130.

The previous prime is 12140129. The next prime is 12140143. The reversal of 12140131 is 13104121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12140131 - 21 = 12140129 is a prime.

It is a super-2 number, since 2×121401312 = 294765561394322, which contains 22 as substring.

Together with 12140129, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12140111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6070065 + 6070066.

It is an arithmetic number, because the mean of its divisors is an integer number (6070066).

Almost surely, 212140131 is an apocalyptic number.

12140131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12140131 is an equidigital number, since it uses as much as digits as its factorization.

12140131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 12140131 is about 3484.2690768653. The cubic root of 12140131 is about 229.8305683489.

Adding to 12140131 its reverse (13104121), we get a palindrome (25244252).

The spelling of 12140131 in words is "twelve million, one hundred forty thousand, one hundred thirty-one".