Base | Representation |
---|---|
bin | 11101001001101000… |
… | …111001101101111011 |
3 | 2222210100220102122012 |
4 | 131021220321231323 |
5 | 1003100324330021 |
6 | 22213520320135 |
7 | 2155435364621 |
oct | 351150715573 |
9 | 88710812565 |
10 | 31300230011 |
11 | 12302189096 |
12 | 609647304b |
13 | 2c4a88097b |
14 | 172cdc9511 |
15 | c32d6235b |
hex | 749a39b7b |
31300230011 has 4 divisors (see below), whose sum is σ = 31334589024. Its totient is φ = 31265871000.
The previous prime is 31300230001. The next prime is 31300230019. The reversal of 31300230011 is 11003200313.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 31300230011 - 222 = 31296035707 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31300230019) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17178140 + ... + 17179961.
It is an arithmetic number, because the mean of its divisors is an integer number (7833647256).
Almost surely, 231300230011 is an apocalyptic number.
31300230011 is a deficient number, since it is larger than the sum of its proper divisors (34359013).
31300230011 is an equidigital number, since it uses as much as digits as its factorization.
31300230011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34359012.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 31300230011 its reverse (11003200313), we get a palindrome (42303430324).
The spelling of 31300230011 in words is "thirty-one billion, three hundred million, two hundred thirty thousand, eleven".
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