231049 has 8 divisors (see below), whose sum is σ = 284480. Its totient is φ = 182736.
The previous prime is 231041. The next prime is 231053. The reversal of 231049 is 940132.
231049 = T182 + T183 + ... + T194.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231049 - 23 = 231041 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179 + ... + 1360.
It is an arithmetic number, because the mean of its divisors is an integer number (35560).
2231049 is an apocalyptic number.
It is an amenable number.
231049 is a deficient number, since it is larger than the sum of its proper divisors (53431).
231049 is a wasteful number, since it uses less digits than its factorization.
231049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2559.
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 231049 is about 480.6755662607. The cubic root of 231049 is about 61.3622625290.
It can be divided in two parts, 23104 and 9, that multiplied together give a square (207936 = 4562).
The spelling of 231049 in words is "two hundred thirty-one thousand, forty-nine".
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