Base | Representation |
---|---|
bin | 1101101111110101110110… |
… | …10010100000111010001111 |
3 | 10222001001210212112222020011 |
4 | 12313322323102200322033 |
5 | 12430301314214201111 |
6 | 144143552530134051 |
7 | 6240061246225300 |
oct | 667727322407217 |
9 | 128031725488204 |
10 | 30231122022031 |
11 | 96a5a46292017 |
12 | 3482bb1721327 |
13 | 13b3a23414a78 |
14 | 7672a09087a7 |
15 | 3765aa60d021 |
hex | 1b7ebb4a0e8f |
30231122022031 has 12 divisors (see below), whose sum is σ = 35168074716720. Its totient is φ = 25911462396960.
The previous prime is 30231122022029. The next prime is 30231122022041. The reversal of 30231122022031 is 13022022113203.
It is not a de Polignac number, because 30231122022031 - 21 = 30231122022029 is a prime.
It is a super-2 number, since 2×302311220220312 (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 = 30231122021993 and 30231122022011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30231122022041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9662451 + ... + 12402628.
It is an arithmetic number, because the mean of its divisors is an integer number (2930672893060).
Almost surely, 230231122022031 is an apocalyptic number.
30231122022031 is a deficient number, since it is larger than the sum of its proper divisors (4936952694689).
30231122022031 is a wasteful number, since it uses less digits than its factorization.
30231122022031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22093054 (or 22093047 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 30231122022031 its reverse (13022022113203), we get a palindrome (43253144135234).
The spelling of 30231122022031 in words is "thirty trillion, two hundred thirty-one billion, one hundred twenty-two million, twenty-two thousand, thirty-one".
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