Base | Representation |
---|---|
bin | 11101001001111110… |
… | …111110011001111111 |
3 | 2222210202210102001021 |
4 | 131021332332121333 |
5 | 1003103320011013 |
6 | 22214244325011 |
7 | 2155535514535 |
oct | 351176763177 |
9 | 88722712037 |
10 | 31306016383 |
11 | 12305480514 |
12 | 60983a3767 |
13 | 2c4bb28665 |
14 | 172da94155 |
15 | c33606a8d |
hex | 749fbe67f |
31306016383 has 2 divisors, whose sum is σ = 31306016384. Its totient is φ = 31306016382.
The previous prime is 31306016353. The next prime is 31306016411. The reversal of 31306016383 is 38361060313.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 31306016383 - 213 = 31306008191 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31306016323) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15653008191 + 15653008192.
It is an arithmetic number, because the mean of its divisors is an integer number (15653008192).
Almost surely, 231306016383 is an apocalyptic number.
31306016383 is a deficient number, since it is larger than the sum of its proper divisors (1).
31306016383 is an equidigital number, since it uses as much as digits as its factorization.
31306016383 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 23328, while the sum is 34.
Adding to 31306016383 its reverse (38361060313), we get a palindrome (69667076696).
The spelling of 31306016383 in words is "thirty-one billion, three hundred six million, sixteen thousand, three hundred eighty-three".
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