Base | Representation |
---|---|
bin | 1011110101111000011011… |
… | …1101000010101101110111 |
3 | 1201002201200210101121011201 |
4 | 2331132012331002231313 |
5 | 3201311043331214111 |
6 | 43405240422513331 |
7 | 2512454264061463 |
oct | 275360675025567 |
9 | 51081623347151 |
10 | 13020310023031 |
11 | 416a9786296a3 |
12 | 156350b595847 |
13 | 735a6b66001c |
14 | 33028756d4a3 |
15 | 178a4c7416c1 |
hex | bd786f42b77 |
13020310023031 has 2 divisors, whose sum is σ = 13020310023032. Its totient is φ = 13020310023030.
The previous prime is 13020310022999. The next prime is 13020310023053. The reversal of 13020310023031 is 13032001302031.
It is a strong prime.
It is an emirp because it is prime and its reverse (13032001302031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13020310023031 - 25 = 13020310022999 is a prime.
It is a super-2 number, since 2×130203100230312 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13020310023131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510155011515 + 6510155011516.
It is an arithmetic number, because the mean of its divisors is an integer number (6510155011516).
Almost surely, 213020310023031 is an apocalyptic number.
13020310023031 is a deficient number, since it is larger than the sum of its proper divisors (1).
13020310023031 is an equidigital number, since it uses as much as digits as its factorization.
13020310023031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 13020310023031 its reverse (13032001302031), we get a palindrome (26052311325062).
The spelling of 13020310023031 in words is "thirteen trillion, twenty billion, three hundred ten million, twenty-three thousand, thirty-one".
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