Base | Representation |
---|---|
bin | 1101011000111011101… |
… | …1111000111100110011 |
3 | 210222202021112101002111 |
4 | 3112032323320330303 |
5 | 12232101010043443 |
6 | 253401441430151 |
7 | 22422251024146 |
oct | 3261673707463 |
9 | 728667471074 |
10 | 230031331123 |
11 | 89612764820 |
12 | 386b903b357 |
13 | 188cc0340a9 |
14 | b1c276405d |
15 | 5eb4bdb69d |
hex | 358eef8f33 |
230031331123 has 16 divisors (see below), whose sum is σ = 251709120000. Its totient is φ = 208481500480.
The previous prime is 230031331109. The next prime is 230031331133. The reversal of 230031331123 is 321133130032.
It is not a de Polignac number, because 230031331123 - 213 = 230031322931 is a prime.
It is a super-2 number, since 2×2300313311232 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 230031331094 and 230031331103.
It is not an unprimeable number, because it can be changed into a prime (230031331133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25557378 + ... + 25566376.
It is an arithmetic number, because the mean of its divisors is an integer number (15731820000).
Almost surely, 2230031331123 is an apocalyptic number.
230031331123 is a deficient number, since it is larger than the sum of its proper divisors (21677788877).
230031331123 is a wasteful number, since it uses less digits than its factorization.
230031331123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15842.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 230031331123 its reverse (321133130032), we get a palindrome (551164461155).
The spelling of 230031331123 in words is "two hundred thirty billion, thirty-one million, three hundred thirty-one thousand, one hundred twenty-three".
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