Base | Representation |
---|---|
bin | 11100111010010001… |
… | …011111000010011011 |
3 | 2222010101210222212101 |
4 | 130322101133002123 |
5 | 1002033330330204 |
6 | 22132151024231 |
7 | 2146155220432 |
oct | 347221370233 |
9 | 88111728771 |
10 | 31042433179 |
11 | 1218a70a55a |
12 | 602406b077 |
13 | 2c0933b474 |
14 | 1706a80119 |
15 | c1a3dcea4 |
hex | 73a45f09b |
31042433179 has 2 divisors, whose sum is σ = 31042433180. Its totient is φ = 31042433178.
The previous prime is 31042433173. The next prime is 31042433183. The reversal of 31042433179 is 97133424013.
It is a strong prime.
It is an emirp because it is prime and its reverse (97133424013) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 31042433179 - 211 = 31042431131 is a prime.
It is not a weakly prime, because it can be changed into another prime (31042433173) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15521216589 + 15521216590.
It is an arithmetic number, because the mean of its divisors is an integer number (15521216590).
Almost surely, 231042433179 is an apocalyptic number.
31042433179 is a deficient number, since it is larger than the sum of its proper divisors (1).
31042433179 is an equidigital number, since it uses as much as digits as its factorization.
31042433179 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 54432, while the sum is 37.
The spelling of 31042433179 in words is "thirty-one billion, forty-two million, four hundred thirty-three thousand, one hundred seventy-nine".
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