Base | Representation |
---|---|
bin | 11100111001001001… |
… | …000000000110000011 |
3 | 2222002002001122020111 |
4 | 130321021000012003 |
5 | 1002013444311232 |
6 | 22130231452151 |
7 | 2145534551545 |
oct | 347111000603 |
9 | 88062048214 |
10 | 31023432067 |
11 | 1217aa11761 |
12 | 6019827057 |
13 | 2c054178c4 |
14 | 1704335695 |
15 | c188d8047 |
hex | 739240183 |
31023432067 has 2 divisors, whose sum is σ = 31023432068. Its totient is φ = 31023432066.
The previous prime is 31023431963. The next prime is 31023432071. The reversal of 31023432067 is 76023432013.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 31023432067 - 211 = 31023430019 is a prime.
It is not a weakly prime, because it can be changed into another prime (31023432367) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511716033 + 15511716034.
It is an arithmetic number, because the mean of its divisors is an integer number (15511716034).
Almost surely, 231023432067 is an apocalyptic number.
31023432067 is a deficient number, since it is larger than the sum of its proper divisors (1).
31023432067 is an equidigital number, since it uses as much as digits as its factorization.
31023432067 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18144, while the sum is 31.
The spelling of 31023432067 in words is "thirty-one billion, twenty-three million, four hundred thirty-two thousand, sixty-seven".
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