Base | Representation |
---|---|
bin | 11100111001110010… |
… | …111000110001010001 |
3 | 2222002211201111000212 |
4 | 130321302320301101 |
5 | 1002024302141423 |
6 | 22131303053505 |
7 | 2146030102415 |
oct | 347162706121 |
9 | 88084644025 |
10 | 31034412113 |
11 | 12186131181 |
12 | 6021441295 |
13 | 2c07790583 |
14 | 1705992d45 |
15 | c19856578 |
hex | 739cb8c51 |
31034412113 has 2 divisors, whose sum is σ = 31034412114. Its totient is φ = 31034412112.
The previous prime is 31034412091. The next prime is 31034412137. The reversal of 31034412113 is 31121443013.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 26433231889 + 4601180224 = 162583^2 + 67832^2 .
It is a cyclic number.
It is not a de Polignac number, because 31034412113 - 214 = 31034395729 is a prime.
It is a super-2 number, since 2×310344121132 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (31034412163) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15517206056 + 15517206057.
It is an arithmetic number, because the mean of its divisors is an integer number (15517206057).
Almost surely, 231034412113 is an apocalyptic number.
It is an amenable number.
31034412113 is a deficient number, since it is larger than the sum of its proper divisors (1).
31034412113 is an equidigital number, since it uses as much as digits as its factorization.
31034412113 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 31034412113 its reverse (31121443013), we get a palindrome (62155855126).
The spelling of 31034412113 in words is "thirty-one billion, thirty-four million, four hundred twelve thousand, one hundred thirteen".
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