Base | Representation |
---|---|
bin | 11100111000011101… |
… | …110001100101011001 |
3 | 2222001021201221011122 |
4 | 130320131301211121 |
5 | 1002003044203231 |
6 | 22125144535025 |
7 | 2145336335000 |
oct | 347035614531 |
9 | 88037657148 |
10 | 31012100441 |
11 | 12174582083 |
12 | 6015a81475 |
13 | 2c02c7abba |
14 | 1702a25c37 |
15 | c178ea77b |
hex | 738771959 |
31012100441 has 8 divisors (see below), whose sum is σ = 36165715200. Its totient is φ = 26581800084.
The previous prime is 31012100423. The next prime is 31012100453. The reversal of 31012100441 is 14400121013.
It is a happy number.
It is not a de Polignac number, because 31012100441 - 214 = 31012084057 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31012100401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45206801 + ... + 45207486.
It is an arithmetic number, because the mean of its divisors is an integer number (4520714400).
Almost surely, 231012100441 is an apocalyptic number.
It is an amenable number.
31012100441 is a deficient number, since it is larger than the sum of its proper divisors (5153614759).
31012100441 is an frugal number, since it uses more digits than its factorization.
31012100441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90414308 (or 90414294 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 31012100441 its reverse (14400121013), we get a palindrome (45412221454).
The spelling of 31012100441 in words is "thirty-one billion, twelve million, one hundred thousand, four hundred forty-one".
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