Base | Representation |
---|---|
bin | 11100111101111001… |
… | …110000100001110110 |
3 | 2222021122101110221102 |
4 | 130331321300201312 |
5 | 1002144422302410 |
6 | 22142204050102 |
7 | 2150524606511 |
oct | 347571604166 |
9 | 88248343842 |
10 | 31103322230 |
11 | 12211018392 |
12 | 6040533932 |
13 | 2c18b39ca6 |
14 | 1710badd78 |
15 | c209192a5 |
hex | 73de70876 |
31103322230 has 64 divisors (see below), whose sum is σ = 60480043200. Its totient is φ = 11474141184.
The previous prime is 31103322199. The next prime is 31103322277. The reversal of 31103322230 is 3222330113.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2191196 + ... + 2205344.
It is an arithmetic number, because the mean of its divisors is an integer number (945000675).
Almost surely, 231103322230 is an apocalyptic number.
31103322230 is a deficient number, since it is larger than the sum of its proper divisors (29376720970).
31103322230 is a wasteful number, since it uses less digits than its factorization.
31103322230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14433.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 31103322230 its reverse (3222330113), we get a palindrome (34325652343).
The spelling of 31103322230 in words is "thirty-one billion, one hundred three million, three hundred twenty-two thousand, two hundred thirty".
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