Base | Representation |
---|---|
bin | 1110001001110001101011… |
… | …01001001010011101101111 |
3 | 11002012020220221002110100211 |
4 | 13010320311221022131233 |
5 | 13034401313122310111 |
6 | 150105204555203251 |
7 | 6361335642523042 |
oct | 704706551123557 |
9 | 132166827073324 |
10 | 31122233010031 |
11 | 9a099571a75a9 |
12 | 35a7844a46527 |
13 | 1449a77410857 |
14 | 79847752ac59 |
15 | 38e862583521 |
hex | 1c4e35a4a76f |
31122233010031 has 8 divisors (see below), whose sum is σ = 31205360229120. Its totient is φ = 31039111110168.
The previous prime is 31122233009981. The next prime is 31122233010101. The reversal of 31122233010031 is 13001033222113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31122233010031 - 217 = 31122232878959 is a prime.
It is a super-2 number, since 2×311222330100312 (a number of 28 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 = 31122233009984 and 31122233010011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31122233010931) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10528620 + ... + 13156606.
It is an arithmetic number, because the mean of its divisors is an integer number (3900670028640).
Almost surely, 231122233010031 is an apocalyptic number.
31122233010031 is a deficient number, since it is larger than the sum of its proper divisors (83127219089).
31122233010031 is a wasteful number, since it uses less digits than its factorization.
31122233010031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2659613.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 31122233010031 its reverse (13001033222113), we get a palindrome (44123266232144).
The spelling of 31122233010031 in words is "thirty-one trillion, one hundred twenty-two billion, two hundred thirty-three million, ten thousand, thirty-one".
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