231079 has 2 divisors, whose sum is σ = 231080. Its totient is φ = 231078.
The previous prime is 231067. The next prime is 231107. The reversal of 231079 is 970132.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 231079 - 29 = 230567 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (231019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115539 + 115540.
It is an arithmetic number, because the mean of its divisors is an integer number (115540).
2231079 is an apocalyptic number.
231079 is a deficient number, since it is larger than the sum of its proper divisors (1).
231079 is an equidigital number, since it uses as much as digits as its factorization.
231079 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 378, while the sum is 22.
The square root of 231079 is about 480.7067713274. The cubic root of 231079 is about 61.3649182257.
The spelling of 231079 in words is "two hundred thirty-one thousand, seventy-nine".
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