Base | Representation |
---|---|
bin | 110100010110001100000100… |
… | …001011001100011110010111 |
3 | 1010012011010022210021210011211 |
4 | 310112030010023030132113 |
5 | 220133434104203323111 |
6 | 2133351025014242251 |
7 | 66331035364552045 |
oct | 6426140413143627 |
9 | 1105133283253154 |
10 | 230223202011031 |
11 | 673a11256a0929 |
12 | 219a2970656387 |
13 | 9b5cc548b8bb8 |
14 | 40bcc10727395 |
15 | 1b93979202521 |
hex | d163042cc797 |
230223202011031 has 4 divisors (see below), whose sum is σ = 230596335240192. Its totient is φ = 229850068781872.
The previous prime is 230223202011007. The next prime is 230223202011067. The reversal of 230223202011031 is 130110202322032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 230223202011031 - 25 = 230223202010999 is a prime.
It is a super-2 number, since 2×2302232020110312 (a number of 30 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 = 230223202010993 and 230223202011011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230223202011001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186566613655 + ... + 186566614888.
It is an arithmetic number, because the mean of its divisors is an integer number (57649083810048).
Almost surely, 2230223202011031 is an apocalyptic number.
230223202011031 is a deficient number, since it is larger than the sum of its proper divisors (373133229161).
230223202011031 is an equidigital number, since it uses as much as digits as its factorization.
230223202011031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 373133229160.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 230223202011031 its reverse (130110202322032), we get a palindrome (360333404333063).
The spelling of 230223202011031 in words is "two hundred thirty trillion, two hundred twenty-three billion, two hundred two million, eleven thousand, thirty-one".
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