Base | Representation |
---|---|
bin | 11100111001100011… |
… | …001101100100100001 |
3 | 2222002112222201101211 |
4 | 130321203031210201 |
5 | 1002022224144014 |
6 | 22131035030121 |
7 | 2145650136466 |
oct | 347143154441 |
9 | 88075881354 |
10 | 31030303009 |
11 | 12183884a22 |
12 | 601bb9b341 |
13 | 2c06982154 |
14 | 170520366d |
15 | c192e3cc4 |
hex | 7398cd921 |
31030303009 has 8 divisors (see below), whose sum is σ = 31242480192. Its totient is φ = 30818839920.
The previous prime is 31030302967. The next prime is 31030303013. The reversal of 31030303009 is 90030303013.
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 31030303009 - 213 = 31030294817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31030303039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91174 + ... + 265279.
It is an arithmetic number, because the mean of its divisors is an integer number (3905310024).
Almost surely, 231030303009 is an apocalyptic number.
It is an amenable number.
31030303009 is a deficient number, since it is larger than the sum of its proper divisors (212177183).
31030303009 is a wasteful number, since it uses less digits than its factorization.
31030303009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 357047.
The product of its (nonzero) digits is 729, while the sum is 22.
The spelling of 31030303009 in words is "thirty-one billion, thirty million, three hundred three thousand, nine".
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