131270 has 8 divisors (see below), whose sum is σ = 236304. Its totient is φ = 52504.
The previous prime is 131267. The next prime is 131293. The reversal of 131270 is 72131.
Added to its reverse (72131) it gives a square (203401 = 4512).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a plaindrome in base 13.
It is a zygodrome in base 9.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6554 + ... + 6573.
It is an arithmetic number, because the mean of its divisors is an integer number (29538).
2131270 is an apocalyptic number.
131270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131270 is a deficient number, since it is larger than the sum of its proper divisors (105034).
131270 is a wasteful number, since it uses less digits than its factorization.
131270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13134.
The product of its (nonzero) digits is 42, while the sum is 14.
The square root of 131270 is about 362.3120202257. The cubic root of 131270 is about 50.8223990337.
Adding to 131270 its reverse (72131), we get a square (203401 = 4512).
The spelling of 131270 in words is "one hundred thirty-one thousand, two hundred seventy".
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