Base | Representation |
---|---|
bin | 1110000110111001001101… |
… | …11000000111000000111101 |
3 | 11001211210022012221012220202 |
4 | 13003130212320013000331 |
5 | 13031241003430201023 |
6 | 145551510052053245 |
7 | 6351231561516644 |
oct | 703344670070075 |
9 | 131753265835822 |
10 | 31023201022013 |
11 | 9980958227202 |
12 | 3590607304225 |
13 | 144062431b485 |
14 | 793760c8c35b |
15 | 38beb830c128 |
hex | 1c3726e0703d |
31023201022013 has 2 divisors, whose sum is σ = 31023201022014. Its totient is φ = 31023201022012.
The previous prime is 31023201021929. The next prime is 31023201022043. The reversal of 31023201022013 is 31022010232013.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 15994576459684 + 15028624562329 = 3999322^2 + 3876677^2 .
It is a cyclic number.
It is not a de Polignac number, because 31023201022013 - 212 = 31023201017917 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31023201022043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511600511006 + 15511600511007.
It is an arithmetic number, because the mean of its divisors is an integer number (15511600511007).
Almost surely, 231023201022013 is an apocalyptic number.
It is an amenable number.
31023201022013 is a deficient number, since it is larger than the sum of its proper divisors (1).
31023201022013 is an equidigital number, since it uses as much as digits as its factorization.
31023201022013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 31023201022013 its reverse (31022010232013), we get a palindrome (62045211254026).
The spelling of 31023201022013 in words is "thirty-one trillion, twenty-three billion, two hundred one million, twenty-two thousand, thirteen".
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