231419 has 2 divisors, whose sum is σ = 231420. Its totient is φ = 231418.
The previous prime is 231409. The next prime is 231431. The reversal of 231419 is 914132.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 231419 - 216 = 165883 is a prime.
It is a super-2 number, since 2×2314192 = 107109507122, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 231419.
It is not a weakly prime, because it can be changed into another prime (231409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115709 + 115710.
It is an arithmetic number, because the mean of its divisors is an integer number (115710).
2231419 is an apocalyptic number.
231419 is a deficient number, since it is larger than the sum of its proper divisors (1).
231419 is an equidigital number, since it uses as much as digits as its factorization.
231419 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 216, while the sum is 20.
The square root of 231419 is about 481.0602872822. The cubic root of 231419 is about 61.3950000703.
The spelling of 231419 in words is "two hundred thirty-one thousand, four hundred nineteen".
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