Base | Representation |
---|---|
bin | 1111100111101… |
… | …10010111001011 |
3 | 100010120010211102 |
4 | 13303312113023 |
5 | 232021020043 |
6 | 21000252015 |
7 | 3150521006 |
oct | 763662713 |
9 | 303503742 |
10 | 131032523 |
11 | 67a67746 |
12 | 37a7100b |
13 | 211ba74b |
14 | 1358c53d |
15 | b7846b8 |
hex | 7cf65cb |
131032523 has 2 divisors, whose sum is σ = 131032524. Its totient is φ = 131032522.
The previous prime is 131032511. The next prime is 131032529. The reversal of 131032523 is 325230131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 131032523 - 24 = 131032507 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131032495 and 131032504.
It is not a weakly prime, because it can be changed into another prime (131032529) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65516261 + 65516262.
It is an arithmetic number, because the mean of its divisors is an integer number (65516262).
Almost surely, 2131032523 is an apocalyptic number.
131032523 is a deficient number, since it is larger than the sum of its proper divisors (1).
131032523 is an equidigital number, since it uses as much as digits as its factorization.
131032523 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 540, while the sum is 20.
The square root of 131032523 is about 11446.9438279394. The cubic root of 131032523 is about 507.9173339250.
Adding to 131032523 its reverse (325230131), we get a palindrome (456262654).
It can be divided in two parts, 1310 and 32523, that added together give a palindrome (33833).
The spelling of 131032523 in words is "one hundred thirty-one million, thirty-two thousand, five hundred twenty-three".
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