Base | Representation |
---|---|
bin | 111100001101001… |
… | …1101011010010011 |
3 | 12012210100220100011 |
4 | 1320122131122103 |
5 | 13114132432011 |
6 | 532243535351 |
7 | 101030302063 |
oct | 17032353223 |
9 | 5183326304 |
10 | 2020202131 |
11 | 947395842 |
12 | 48468a557 |
13 | 2626cb79c |
14 | 1524373a3 |
15 | bc553621 |
hex | 7869d693 |
2020202131 has 2 divisors, whose sum is σ = 2020202132. Its totient is φ = 2020202130.
The previous prime is 2020202111. The next prime is 2020202153. The reversal of 2020202131 is 1312020202.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2020202131 - 27 = 2020202003 is a prime.
It is a super-2 number, since 2×20202021312 = 8162433300193882322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2020202111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010101065 + 1010101066.
It is an arithmetic number, because the mean of its divisors is an integer number (1010101066).
Almost surely, 22020202131 is an apocalyptic number.
2020202131 is a deficient number, since it is larger than the sum of its proper divisors (1).
2020202131 is an equidigital number, since it uses as much as digits as its factorization.
2020202131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 2020202131 is about 44946.6587300992. The cubic root of 2020202131 is about 1264.1490276789.
Adding to 2020202131 its reverse (1312020202), we get a palindrome (3332222333).
It can be divided in two parts, 2020202 and 131, that multiplied together give a palindrome (264646462).
The spelling of 2020202131 in words is "two billion, twenty million, two hundred two thousand, one hundred thirty-one".
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