Base | Representation |
---|---|
bin | 1110010011000011101000… |
… | …11000111111001110101101 |
3 | 11010022202000020122022110111 |
4 | 13021201310120333032231 |
5 | 13110112400002023341 |
6 | 150511503102540021 |
7 | 6423355045425142 |
oct | 711416430771655 |
9 | 133282006568414 |
10 | 31441113314221 |
11 | a022112885886 |
12 | 36395b9297611 |
13 | 1470b6595b590 |
14 | 7a9a87d6a3c9 |
15 | 397cc7536681 |
hex | 1c987463f3ad |
31441113314221 has 8 divisors (see below), whose sum is σ = 33859908153344. Its totient is φ = 29022353855280.
The previous prime is 31441113314179. The next prime is 31441113314227. The reversal of 31441113314221 is 12241331114413.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31441113314221 - 233 = 31432523379629 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31441113314227) 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, 6984861 + ... + 10567426.
It is an arithmetic number, because the mean of its divisors is an integer number (4232488519168).
Almost surely, 231441113314221 is an apocalyptic number.
It is an amenable number.
31441113314221 is a deficient number, since it is larger than the sum of its proper divisors (2418794839123).
31441113314221 is a wasteful number, since it uses less digits than its factorization.
31441113314221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17690091.
The product of its digits is 6912, while the sum is 31.
Adding to 31441113314221 its reverse (12241331114413), we get a palindrome (43682444428634).
The spelling of 31441113314221 in words is "thirty-one trillion, four hundred forty-one billion, one hundred thirteen million, three hundred fourteen thousand, two hundred twenty-one".
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