Base | Representation |
---|---|
bin | 1110000111001100000001… |
… | …11000111001010100111001 |
3 | 11001212202101010000221212011 |
4 | 13003212000320321110321 |
5 | 13031422200041041441 |
6 | 150000300212045521 |
7 | 6352040063050540 |
oct | 703460070712471 |
9 | 131782333027764 |
10 | 31033301112121 |
11 | 9985170494410 |
12 | 35925659038a1 |
13 | 1441573981459 |
14 | 79403c427157 |
15 | 38c3a9d8b581 |
hex | 1c3980e39539 |
31033301112121 has 16 divisors (see below), whose sum is σ = 40966802386560. Its totient is φ = 22759334657280.
The previous prime is 31033301112119. The next prime is 31033301112133. The reversal of 31033301112121 is 12121110333013.
It is a cyclic number.
It is not a de Polignac number, because 31033301112121 - 21 = 31033301112119 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31033301112092 and 31033301112101.
It is not an unprimeable number, because it can be changed into a prime (31033301112721) 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, 11853818826 + ... + 11853821443.
It is an arithmetic number, because the mean of its divisors is an integer number (2560425149160).
Almost surely, 231033301112121 is an apocalyptic number.
It is an amenable number.
31033301112121 is a deficient number, since it is larger than the sum of its proper divisors (9933501274439).
31033301112121 is a wasteful number, since it uses less digits than its factorization.
31033301112121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23707640304.
The product of its (nonzero) digits is 324, while the sum is 22.
Adding to 31033301112121 its reverse (12121110333013), we get a palindrome (43154411445134).
The spelling of 31033301112121 in words is "thirty-one trillion, thirty-three billion, three hundred one million, one hundred twelve thousand, one hundred twenty-one".
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