Base | Representation |
---|---|
bin | 1110001001110001101011… |
… | …01001001010011101010001 |
3 | 11002012020220221002110022201 |
4 | 13010320311221022131101 |
5 | 13034401313122310001 |
6 | 150105204555203201 |
7 | 6361335642523000 |
oct | 704706551123521 |
9 | 132166827073281 |
10 | 31122233010001 |
11 | 9a099571a7581 |
12 | 35a7844a46501 |
13 | 1449a77410833 |
14 | 79847752ac37 |
15 | 38e862583501 |
hex | 1c4e35a4a751 |
31122233010001 has 16 divisors (see below), whose sum is σ = 36446007744000. Its totient is φ = 26564583754464.
The previous prime is 31122233009981. The next prime is 31122233010101. The reversal of 31122233010001 is 10001033222113.
It is not a de Polignac number, because 31122233010001 - 231 = 31120085526353 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31122233010101) 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, 189740980 + ... + 189904933.
It is an arithmetic number, because the mean of its divisors is an integer number (2277875484000).
Almost surely, 231122233010001 is an apocalyptic number.
It is an amenable number.
31122233010001 is a deficient number, since it is larger than the sum of its proper divisors (5323774733999).
31122233010001 is an equidigital number, since it uses as much as digits as its factorization.
31122233010001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 379646173 (or 379646159 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 31122233010001 its reverse (10001033222113), we get a palindrome (41123266232114).
The spelling of 31122233010001 in words is "thirty-one trillion, one hundred twenty-two billion, two hundred thirty-three million, ten thousand, one".
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