Base | Representation |
---|---|
bin | 11100110111110000… |
… | …110000100111100011 |
3 | 2222000110112102000101 |
4 | 130313300300213203 |
5 | 1001442034100003 |
6 | 22124044003231 |
7 | 2145134126251 |
oct | 346760604743 |
9 | 88013472011 |
10 | 31000300003 |
11 | 12168952252 |
12 | 6011b30517 |
13 | 2c006a89aa |
14 | 17012335d1 |
15 | c1686911d |
hex | 737c309e3 |
31000300003 has 16 divisors (see below), whose sum is σ = 34558496640. Its totient is φ = 27635472000.
The previous prime is 31000299991. The next prime is 31000300007. The reversal of 31000300003 is 30000300013.
It is a happy number.
It is not a de Polignac number, because 31000300003 - 213 = 31000291811 is a prime.
It is a super-2 number, since 2×310003000032 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31000300007) 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 15 ways as a sum of consecutive naturals, for example, 2905228 + ... + 2915878.
It is an arithmetic number, because the mean of its divisors is an integer number (2159906040).
Almost surely, 231000300003 is an apocalyptic number.
31000300003 is a deficient number, since it is larger than the sum of its proper divisors (3558196637).
31000300003 is a wasteful number, since it uses less digits than its factorization.
31000300003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19698.
The product of its (nonzero) digits is 27, while the sum is 10.
Adding to 31000300003 its sum of digits (10), we get a palindrome (31000300013).
Adding to 31000300003 its reverse (30000300013), we get a palindrome (61000600016).
The spelling of 31000300003 in words is "thirty-one billion, three hundred thousand, three".
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