Base | Representation |
---|---|
bin | 11100111001101110… |
… | …000001001011100001 |
3 | 2222002202022122022112 |
4 | 130321232001023201 |
5 | 1002023440321331 |
6 | 22131215445105 |
7 | 2146013205461 |
oct | 347156011341 |
9 | 88082278275 |
10 | 31033135841 |
11 | 1218543a304 |
12 | 6020b26795 |
13 | 2c07434696 |
14 | 170573dba1 |
15 | c196a332b |
hex | 739b812e1 |
31033135841 has 16 divisors (see below), whose sum is σ = 32871874560. Its totient is φ = 29215267920.
The previous prime is 31033135829. The next prime is 31033135853. The reversal of 31033135841 is 14853133013.
It is an interprime number because it is at equal distance from previous prime (31033135829) and next prime (31033135853).
It is not a de Polignac number, because 31033135841 - 210 = 31033134817 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31033135798 and 31033135807.
It is not an unprimeable number, because it can be changed into a prime (31033135801) 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 in 15 ways as a sum of consecutive naturals, for example, 3940790 + ... + 3948656.
It is an arithmetic number, because the mean of its divisors is an integer number (2054492160).
Almost surely, 231033135841 is an apocalyptic number.
It is an amenable number.
31033135841 is a deficient number, since it is larger than the sum of its proper divisors (1838738719).
31033135841 is a wasteful number, since it uses less digits than its factorization.
31033135841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9164.
The product of its (nonzero) digits is 12960, while the sum is 32.
Adding to 31033135841 its reverse (14853133013), we get a palindrome (45886268854).
The spelling of 31033135841 in words is "thirty-one billion, thirty-three million, one hundred thirty-five thousand, eight hundred forty-one".
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