Base | Representation |
---|---|
bin | 1110000110111000111001… |
… | …10111111101010101010001 |
3 | 11001211202212112011111101011 |
4 | 13003130130313331111101 |
5 | 13031240133000211233 |
6 | 145551441255210521 |
7 | 6351224453243443 |
oct | 703343467752521 |
9 | 131752775144334 |
10 | 31023033210193 |
11 | 9980881529752 |
12 | 359057b076a41 |
13 | 14405c862413b |
14 | 793746888493 |
15 | 38bea87100cd |
hex | 1c371cdfd551 |
31023033210193 has 2 divisors, whose sum is σ = 31023033210194. Its totient is φ = 31023033210192.
The previous prime is 31023033210179. The next prime is 31023033210209. The reversal of 31023033210193 is 39101233032013.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 19770544102464 + 11252489107729 = 4446408^2 + 3354473^2 .
It is an emirp because it is prime and its reverse (39101233032013) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 31023033210193 - 213 = 31023033202001 is a prime.
It is not a weakly prime, because it can be changed into another prime (31023033210133) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511516605096 + 15511516605097.
It is an arithmetic number, because the mean of its divisors is an integer number (15511516605097).
Almost surely, 231023033210193 is an apocalyptic number.
It is an amenable number.
31023033210193 is a deficient number, since it is larger than the sum of its proper divisors (1).
31023033210193 is an equidigital number, since it uses as much as digits as its factorization.
31023033210193 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8748, while the sum is 31.
The spelling of 31023033210193 in words is "thirty-one trillion, twenty-three billion, thirty-three million, two hundred ten thousand, one hundred ninety-three".
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