Base | Representation |
---|---|
bin | 110100100001100000011101… |
… | …111011111110100010111101 |
3 | 1010021220111000111021202222102 |
4 | 310201200131323332202331 |
5 | 220234210043431410023 |
6 | 2135144223300154445 |
7 | 66441162462530135 |
oct | 6441403573764275 |
9 | 1107814014252872 |
10 | 231001023310013 |
11 | 67670a90524250 |
12 | 21aa9667398a25 |
13 | 9bb83c29a5a38 |
14 | 410871b2b1ac5 |
15 | 1ba8d00367628 |
hex | d2181defe8bd |
231001023310013 has 32 divisors (see below), whose sum is σ = 254125644917760. Its totient is φ = 208236816524160.
The previous prime is 231001023309929. The next prime is 231001023310033. The reversal of 231001023310013 is 310013320100132.
It is a cyclic number.
It is not a de Polignac number, because 231001023310013 - 218 = 231001023047869 is a prime.
It is a super-2 number, since 2×2310010233100132 (a number of 30 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231001023310033) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3763488158 + ... + 3763549536.
It is an arithmetic number, because the mean of its divisors is an integer number (7941426403680).
Almost surely, 2231001023310013 is an apocalyptic number.
It is an amenable number.
231001023310013 is a deficient number, since it is larger than the sum of its proper divisors (23124621607747).
231001023310013 is a wasteful number, since it uses less digits than its factorization.
231001023310013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66497.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 231001023310013 its reverse (310013320100132), we get a palindrome (541014343410145).
The spelling of 231001023310013 in words is "two hundred thirty-one trillion, one billion, twenty-three million, three hundred ten thousand, thirteen".
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