Base | Representation |
---|---|
bin | 1110000111000101111000… |
… | …01100110110010101111110 |
3 | 11001212102212010201122021101 |
4 | 13003202330030312111332 |
5 | 13031343420303344410 |
6 | 145554552532123314 |
7 | 6351562233402541 |
oct | 703427414662576 |
9 | 131772763648241 |
10 | 31030001231230 |
11 | 9983827821021 |
12 | 35919a476653a |
13 | 1441169111401 |
14 | 793c0807c858 |
15 | 38c26530dd3a |
hex | 1c38bc33657e |
31030001231230 has 32 divisors (see below), whose sum is σ = 57262631440608. Its totient is φ = 12100079846400.
The previous prime is 31030001231227. The next prime is 31030001231287. The reversal of 31030001231230 is 3213210003013.
It is a junction number, because it is equal to n+sod(n) for n = 31030001231198 and 31030001231207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69030091 + ... + 69478150.
It is an arithmetic number, because the mean of its divisors is an integer number (1789457232519).
Almost surely, 231030001231230 is an apocalyptic number.
31030001231230 is a deficient number, since it is larger than the sum of its proper divisors (26232630209378).
31030001231230 is a wasteful number, since it uses less digits than its factorization.
31030001231230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138508812.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 31030001231230 its reverse (3213210003013), we get a palindrome (34243211234243).
The spelling of 31030001231230 in words is "thirty-one trillion, thirty billion, one million, two hundred thirty-one thousand, two hundred thirty".
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