Base | Representation |
---|---|
bin | 1110000110110011010001… |
… | …11011000010110100101101 |
3 | 11001211111002010012211112122 |
4 | 13003121220323002310231 |
5 | 13031212442103321422 |
6 | 145550221525442325 |
7 | 6351056603352062 |
oct | 703315073026455 |
9 | 131744063184478 |
10 | 31020014120237 |
11 | 997a57230a78a |
12 | 358ba77b703a5 |
13 | 1440236cb778c |
14 | 79353b912c69 |
15 | 38bd7d649d42 |
hex | 1c3668ec2d2d |
31020014120237 has 2 divisors, whose sum is σ = 31020014120238. Its totient is φ = 31020014120236.
The previous prime is 31020014120191. The next prime is 31020014120281. The reversal of 31020014120237 is 73202141002013.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 17732975790916 + 13287038329321 = 4211054^2 + 3645139^2 .
It is a cyclic number.
It is not a de Polignac number, because 31020014120237 - 212 = 31020014116141 is a prime.
It is a super-2 number, since 2×310200141202372 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31020014120287) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15510007060118 + 15510007060119.
It is an arithmetic number, because the mean of its divisors is an integer number (15510007060119).
Almost surely, 231020014120237 is an apocalyptic number.
It is an amenable number.
31020014120237 is a deficient number, since it is larger than the sum of its proper divisors (1).
31020014120237 is an equidigital number, since it uses as much as digits as its factorization.
31020014120237 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2016, while the sum is 26.
The spelling of 31020014120237 in words is "thirty-one trillion, twenty billion, fourteen million, one hundred twenty thousand, two hundred thirty-seven".
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