Base | Representation |
---|---|
bin | 101101011110011000100000… |
… | …111101001111100100110111 |
3 | 222020010210221212200122010201 |
4 | 231132120200331033210313 |
5 | 202203300000001443111 |
6 | 1545210422010101331 |
7 | 60061344305504134 |
oct | 5536304075174467 |
9 | 866123855618121 |
10 | 200000000031031 |
11 | 587a95840346a2 |
12 | 1a52140b41a847 |
13 | 8779bc42a0045 |
14 | 37560a1a3158b |
15 | 181c6d40986c1 |
hex | b5e620f4f937 |
200000000031031 has 16 divisors (see below), whose sum is σ = 202778474298624. Its totient is φ = 197237374850304.
The previous prime is 200000000031019. The next prime is 200000000031113. The reversal of 200000000031031 is 130130000000002.
It is a cyclic number.
It is not a de Polignac number, because 200000000031031 - 213 = 200000000022839 is a prime.
It is a super-2 number, since 2×2000000000310312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 200000000030999 and 200000000031017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200000000031011) 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, 28185120 + ... + 34560106.
It is an arithmetic number, because the mean of its divisors is an integer number (12673654643664).
Almost surely, 2200000000031031 is an apocalyptic number.
200000000031031 is a deficient number, since it is larger than the sum of its proper divisors (2778474267593).
200000000031031 is an equidigital number, since it uses as much as digits as its factorization.
200000000031031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6376230.
The product of its (nonzero) digits is 18, while the sum is 10.
Adding to 200000000031031 its reverse (130130000000002), we get a palindrome (330130000031033).
The spelling of 200000000031031 in words is "two hundred trillion, thirty-one thousand, thirty-one".
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