Base | Representation |
---|---|
bin | 11101010110011000… |
… | …011101100001011101 |
3 | 10000100021012021220011 |
4 | 131112120131201131 |
5 | 1004020042232104 |
6 | 22251034523221 |
7 | 2163642533035 |
oct | 352630354135 |
9 | 100307167804 |
10 | 31514024029 |
11 | 12401932764 |
12 | 6135b96511 |
13 | 2c82c576c7 |
14 | 174d55c8c5 |
15 | c469e3904 |
hex | 75661d85d |
31514024029 has 2 divisors, whose sum is σ = 31514024030. Its totient is φ = 31514024028.
The previous prime is 31514024027. The next prime is 31514024041. The reversal of 31514024029 is 92042041513.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 17065503225 + 14448520804 = 130635^2 + 120202^2 .
It is a cyclic number.
It is not a de Polignac number, because 31514024029 - 21 = 31514024027 is a prime.
Together with 31514024027, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31514024027) 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 as a sum of consecutive naturals, namely, 15757012014 + 15757012015.
It is an arithmetic number, because the mean of its divisors is an integer number (15757012015).
Almost surely, 231514024029 is an apocalyptic number.
It is an amenable number.
31514024029 is a deficient number, since it is larger than the sum of its proper divisors (1).
31514024029 is an equidigital number, since it uses as much as digits as its factorization.
31514024029 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8640, while the sum is 31.
The spelling of 31514024029 in words is "thirty-one billion, five hundred fourteen million, twenty-four thousand, twenty-nine".
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