Base | Representation |
---|---|
bin | 1011101010100000… |
… | …1100111111000011 |
3 | 22002012201102021021 |
4 | 2322220030333003 |
5 | 22403030213443 |
6 | 1234410210311 |
7 | 140406630463 |
oct | 27250147703 |
9 | 8065642237 |
10 | 3131101123 |
11 | 1367474687 |
12 | 734723997 |
13 | 3ab8c7277 |
14 | 219bb1ba3 |
15 | 134d3d9ed |
hex | baa0cfc3 |
3131101123 has 8 divisors (see below), whose sum is σ = 3315882528. Its totient is φ = 2946386304.
The previous prime is 3131101109. The next prime is 3131101163. The reversal of 3131101123 is 3211011313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3131101123 is a prime.
It is a super-2 number, since 2×31311011232 = 19607588484903722258, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3131101097 and 3131101106.
It is not an unprimeable number, because it can be changed into a prime (3131101163) 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 7 ways as a sum of consecutive naturals, for example, 106090 + ... + 132352.
It is an arithmetic number, because the mean of its divisors is an integer number (414485316).
Almost surely, 23131101123 is an apocalyptic number.
3131101123 is a deficient number, since it is larger than the sum of its proper divisors (184781405).
3131101123 is a wasteful number, since it uses less digits than its factorization.
3131101123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33293.
The product of its (nonzero) digits is 54, while the sum is 16.
The square root of 3131101123 is about 55956.2429314192. The cubic root of 3131101123 is about 1462.9597061494.
Adding to 3131101123 its reverse (3211011313), we get a palindrome (6342112436).
The spelling of 3131101123 in words is "three billion, one hundred thirty-one million, one hundred one thousand, one hundred twenty-three".
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