Base | Representation |
---|---|
bin | 101101100100000000001… |
… | …101100110101101110101 |
3 | 102002022202012020000020212 |
4 | 231210000031212231311 |
5 | 402244324342201422 |
6 | 10354213312235205 |
7 | 442131650021066 |
oct | 55440015465565 |
9 | 12068665200225 |
10 | 3131034725237 |
11 | aa7956527231 |
12 | 42699523bb05 |
13 | 199341bac593 |
14 | ab78598c56d |
15 | 566a33479e2 |
hex | 2d900366b75 |
3131034725237 has 2 divisors, whose sum is σ = 3131034725238. Its totient is φ = 3131034725236.
The previous prime is 3131034725219. The next prime is 3131034725303. The reversal of 3131034725237 is 7325274301313.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2651341350436 + 479693374801 = 1628294^2 + 692599^2 .
It is an emirp because it is prime and its reverse (7325274301313) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3131034725237 - 28 = 3131034724981 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3131034725194 and 3131034725203.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3131034755237) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565517362618 + 1565517362619.
It is an arithmetic number, because the mean of its divisors is an integer number (1565517362619).
Almost surely, 23131034725237 is an apocalyptic number.
It is an amenable number.
3131034725237 is a deficient number, since it is larger than the sum of its proper divisors (1).
3131034725237 is an equidigital number, since it uses as much as digits as its factorization.
3131034725237 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 317520, while the sum is 41.
The spelling of 3131034725237 in words is "three trillion, one hundred thirty-one billion, thirty-four million, seven hundred twenty-five thousand, two hundred thirty-seven".
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