Base | Representation |
---|---|
bin | 11101000000010010… |
… | …101011100110110101 |
3 | 2222101102211011011101 |
4 | 131000102223212311 |
5 | 1002240203110401 |
6 | 22150155210101 |
7 | 2151522421666 |
oct | 350022534665 |
9 | 88342734141 |
10 | 31143410101 |
11 | 12231708a61 |
12 | 6051a46931 |
13 | 2c2423481b |
14 | 171624736d |
15 | c241d7101 |
hex | 7404ab9b5 |
31143410101 has 2 divisors, whose sum is σ = 31143410102. Its totient is φ = 31143410100.
The previous prime is 31143410069. The next prime is 31143410167. The reversal of 31143410101 is 10101434113.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 26433882225 + 4709527876 = 162585^2 + 68626^2 .
It is a cyclic number.
It is not a de Polignac number, because 31143410101 - 25 = 31143410069 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31143410801) 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 as a sum of consecutive naturals, namely, 15571705050 + 15571705051.
It is an arithmetic number, because the mean of its divisors is an integer number (15571705051).
Almost surely, 231143410101 is an apocalyptic number.
It is an amenable number.
31143410101 is a deficient number, since it is larger than the sum of its proper divisors (1).
31143410101 is an equidigital number, since it uses as much as digits as its factorization.
31143410101 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 31143410101 its reverse (10101434113), we get a palindrome (41244844214).
The spelling of 31143410101 in words is "thirty-one billion, one hundred forty-three million, four hundred ten thousand, one hundred one".
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