Base | Representation |
---|---|
bin | 110100100100100011000111… |
… | …010011110010110010100111 |
3 | 1010022122110111001201000001200 |
4 | 310210203013103302302213 |
5 | 220301121111433124111 |
6 | 2135424230212053543 |
7 | 66462241626442251 |
oct | 6444430723626247 |
9 | 1108573431630050 |
10 | 231210023333031 |
11 | 677416905a19a6 |
12 | 21b220750042b3 |
13 | 9c0201c782802 |
14 | 41148a67b2cd1 |
15 | 1bae4839c0256 |
hex | d248c74f2ca7 |
231210023333031 has 24 divisors (see below), whose sum is σ = 334938380175360. Its totient is φ = 153693184028496.
The previous prime is 231210023332879. The next prime is 231210023333099. The reversal of 231210023333031 is 130333320012132.
231210023333031 is a `hidden beast` number, since 2 + 3 + 1 + 21 + 0 + 0 + 2 + 333 + 303 + 1 = 666.
231210023333031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 231210023333031 - 210 = 231210023332007 is a prime.
It is a super-2 number, since 2×2312100233330312 (a number of 30 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 231210023332986 and 231210023333004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231210023343031) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24392746 + ... + 32518088.
It is an arithmetic number, because the mean of its divisors is an integer number (13955765840640).
Almost surely, 2231210023333031 is an apocalyptic number.
231210023333031 is a deficient number, since it is larger than the sum of its proper divisors (103728356842329).
231210023333031 is a wasteful number, since it uses less digits than its factorization.
231210023333031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8134515 (or 8134512 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 27.
Adding to 231210023333031 its reverse (130333320012132), we get a palindrome (361543343345163).
The spelling of 231210023333031 in words is "two hundred thirty-one trillion, two hundred ten billion, twenty-three million, three hundred thirty-three thousand, thirty-one".
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