Base | Representation |
---|---|
bin | 11001101000110… |
… | …101111100101011 |
3 | 1002222101020012212 |
4 | 121220311330223 |
5 | 1340103342011 |
6 | 110403155335 |
7 | 13442051054 |
oct | 3150657453 |
9 | 1088336185 |
10 | 430137131 |
11 | 20088a436 |
12 | 100075b4b |
13 | 6b163b18 |
14 | 411ab72b |
15 | 27b6808b |
hex | 19a35f2b |
430137131 has 2 divisors, whose sum is σ = 430137132. Its totient is φ = 430137130.
The previous prime is 430137101. The next prime is 430137137. The reversal of 430137131 is 131731034.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-430137131 is a prime.
It is a super-2 number, since 2×4301371312 = 370035902929822322, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 430137097 and 430137106.
It is not a weakly prime, because it can be changed into another prime (430137137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215068565 + 215068566.
It is an arithmetic number, because the mean of its divisors is an integer number (215068566).
Almost surely, 2430137131 is an apocalyptic number.
430137131 is a deficient number, since it is larger than the sum of its proper divisors (1).
430137131 is an equidigital number, since it uses as much as digits as its factorization.
430137131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 756, while the sum is 23.
The square root of 430137131 is about 20739.7476117719. The cubic root of 430137131 is about 754.8644588052.
Adding to 430137131 its reverse (131731034), we get a palindrome (561868165).
The spelling of 430137131 in words is "four hundred thirty million, one hundred thirty-seven thousand, one hundred thirty-one".
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