Base | Representation |
---|---|
bin | 1011110110100001000111… |
… | …0110101011010101101111 |
3 | 1201010202212211212021012020 |
4 | 2331220101312223111233 |
5 | 3202000424430301111 |
6 | 43414244202441223 |
7 | 2513322015065055 |
oct | 275502166532557 |
9 | 51122784767166 |
10 | 13031230322031 |
11 | 417457187a999 |
12 | 1565658803213 |
13 | 736abbc003cc |
14 | 330a01a141d5 |
15 | 178e8b2da906 |
hex | bda11dab56f |
13031230322031 has 16 divisors (see below), whose sum is σ = 17708872925664. Its totient is φ = 8520649697664.
The previous prime is 13031230322027. The next prime is 13031230322041. The reversal of 13031230322031 is 13022303213031.
It is not a de Polignac number, because 13031230322031 - 22 = 13031230322027 is a prime.
It is a super-2 number, since 2×130312303220312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13031230321992 and 13031230322010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13031230322021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13584436 + ... + 14512041.
It is an arithmetic number, because the mean of its divisors is an integer number (1106804557854).
Almost surely, 213031230322031 is an apocalyptic number.
13031230322031 is a deficient number, since it is larger than the sum of its proper divisors (4677642603633).
13031230322031 is a wasteful number, since it uses less digits than its factorization.
13031230322031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28099450.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 13031230322031 its reverse (13022303213031), we get a palindrome (26053533535062).
The spelling of 13031230322031 in words is "thirteen trillion, thirty-one billion, two hundred thirty million, three hundred twenty-two thousand, thirty-one".
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