386131 has 2 divisors, whose sum is σ = 386132. Its totient is φ = 386130.
The previous prime is 386129. The next prime is 386143. The reversal of 386131 is 131683.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 386131 - 21 = 386129 is a prime.
It is a super-2 number, since 2×3861312 = 298194298322, which contains 22 as substring.
Together with 386129, it forms a pair of twin primes.
386131 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (386161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193065 + 193066.
It is an arithmetic number, because the mean of its divisors is an integer number (193066).
2386131 is an apocalyptic number.
386131 is a deficient number, since it is larger than the sum of its proper divisors (1).
386131 is an equidigital number, since it uses as much as digits as its factorization.
386131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 432, while the sum is 22.
The square root of 386131 is about 621.3943997173. The cubic root of 386131 is about 72.8190300651.
The spelling of 386131 in words is "three hundred eighty-six thousand, one hundred thirty-one".
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