Base | Representation |
---|---|
bin | 100011011000011100100… |
… | …110101110001011110111 |
3 | 22121102221122010220001110 |
4 | 203120130212232023313 |
5 | 304314032414332411 |
6 | 5100552325130103 |
7 | 340444064626206 |
oct | 43303446561367 |
9 | 8542848126043 |
10 | 2431431402231 |
11 | 858189703967 |
12 | 333289559933 |
13 | 14838a98c570 |
14 | 8597922523d |
15 | 433a8ee92a6 |
hex | 2361c9ae2f7 |
2431431402231 has 16 divisors (see below), whose sum is σ = 3509375692256. Its totient is φ = 1488512802816.
The previous prime is 2431431402227. The next prime is 2431431402299. The reversal of 2431431402231 is 1322041341342.
It is not a de Polignac number, because 2431431402231 - 22 = 2431431402227 is a prime.
It is a super-2 number, since 2×24314314022312 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2431431402731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161506450 + ... + 161521503.
It is an arithmetic number, because the mean of its divisors is an integer number (219335980766).
Almost surely, 22431431402231 is an apocalyptic number.
2431431402231 is a deficient number, since it is larger than the sum of its proper divisors (1077944290025).
2431431402231 is a wasteful number, since it uses less digits than its factorization.
2431431402231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 323028162.
The product of its (nonzero) digits is 13824, while the sum is 30.
Adding to 2431431402231 its reverse (1322041341342), we get a palindrome (3753472743573).
The spelling of 2431431402231 in words is "two trillion, four hundred thirty-one billion, four hundred thirty-one million, four hundred two thousand, two hundred thirty-one".
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