Base | Representation |
---|---|
bin | 110100010100101110101111… |
… | …101111111001011001000111 |
3 | 1010011210112200122000100000011 |
4 | 310110232233233321121013 |
5 | 220130313401314233111 |
6 | 2133233014121531051 |
7 | 66320560333003360 |
oct | 6424565757713107 |
9 | 1104715618010004 |
10 | 230123001321031 |
11 | 67362686a51425 |
12 | 21987467643a87 |
13 | 9b536766400a0 |
14 | 40b8026b84b67 |
15 | 1b91062574021 |
hex | d14bafbf9647 |
230123001321031 has 32 divisors (see below), whose sum is σ = 283501394910720. Its totient is φ = 181899803240064.
The previous prime is 230123001321023. The next prime is 230123001321049. The reversal of 230123001321031 is 130123100321032.
It is not a de Polignac number, because 230123001321031 - 23 = 230123001321023 is a prime.
It is a super-2 number, since 2×2301230013210312 (a number of 30 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 230123001320993 and 230123001321011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230123001321001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2631647796 + ... + 2631735238.
It is an arithmetic number, because the mean of its divisors is an integer number (8859418590960).
Almost surely, 2230123001321031 is an apocalyptic number.
230123001321031 is a deficient number, since it is larger than the sum of its proper divisors (53378393589689).
230123001321031 is a wasteful number, since it uses less digits than its factorization.
230123001321031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115015.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 230123001321031 its reverse (130123100321032), we get a palindrome (360246101642063).
Subtracting from 230123001321031 its reverse (130123100321032), we obtain a palindrome (99999900999999).
It can be divided in two parts, 230123001 and 321031, that added together give a palindrome (230444032).
The spelling of 230123001321031 in words is "two hundred thirty trillion, one hundred twenty-three billion, one million, three hundred twenty-one thousand, thirty-one".
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