Base | Representation |
---|---|
bin | 1111100111101… |
… | …00000101100011 |
3 | 100010112200001020 |
4 | 13303310011203 |
5 | 232020220303 |
6 | 21000140523 |
7 | 3150451563 |
oct | 763640543 |
9 | 303480036 |
10 | 131023203 |
11 | 67a60743 |
12 | 37a67743 |
13 | 211b642c |
14 | 13588da3 |
15 | b781a53 |
hex | 7cf4163 |
131023203 has 8 divisors (see below), whose sum is σ = 182293248. Its totient is φ = 83550984.
The previous prime is 131023163. The next prime is 131023223. The reversal of 131023203 is 302320131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131023203 - 29 = 131022691 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131023223) 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, 949375 + ... + 949512.
It is an arithmetic number, because the mean of its divisors is an integer number (22786656).
Almost surely, 2131023203 is an apocalyptic number.
131023203 is a deficient number, since it is larger than the sum of its proper divisors (51270045).
131023203 is a wasteful number, since it uses less digits than its factorization.
131023203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1898913.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 131023203 is about 11446.5367251409. The cubic root of 131023203 is about 507.9052913631.
Adding to 131023203 its reverse (302320131), we get a palindrome (433343334).
The spelling of 131023203 in words is "one hundred thirty-one million, twenty-three thousand, two hundred three".
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