Base | Representation |
---|---|
bin | 1110000110010111101101… |
… | …10010010100110111010101 |
3 | 11001210001212200210121110112 |
4 | 13003023312302110313111 |
5 | 13030442134332032300 |
6 | 145535333202532405 |
7 | 6350024054253404 |
oct | 703136662246725 |
9 | 131701780717415 |
10 | 31005214330325 |
11 | 9974268204554 |
12 | 3589027667105 |
13 | 143ba18a9a541 |
14 | 79293612763b |
15 | 38b7b41d1e35 |
hex | 1c32f6c94dd5 |
31005214330325 has 12 divisors (see below), whose sum is σ = 38472113892000. Its totient is φ = 24787624288560.
The previous prime is 31005214330243. The next prime is 31005214330331. The reversal of 31005214330325 is 52303341250013.
It is not a de Polignac number, because 31005214330325 - 218 = 31005214068181 is a prime.
It is a super-2 number, since 2×310052143303252 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31005214330291 and 31005214330300.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413641169 + ... + 413716118.
It is an arithmetic number, because the mean of its divisors is an integer number (3206009491000).
Almost surely, 231005214330325 is an apocalyptic number.
It is an amenable number.
31005214330325 is a deficient number, since it is larger than the sum of its proper divisors (7466899561675).
31005214330325 is a wasteful number, since it uses less digits than its factorization.
31005214330325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 827358796 (or 827358791 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 32.
Adding to 31005214330325 its reverse (52303341250013), we get a palindrome (83308555580338).
The spelling of 31005214330325 in words is "thirty-one trillion, five billion, two hundred fourteen million, three hundred thirty thousand, three hundred twenty-five".
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