Base | Representation |
---|---|
bin | 100101010010000011… |
… | …010010101000100011 |
3 | 10211022211221202012121 |
4 | 211102003102220203 |
5 | 1123441003101011 |
6 | 30220133405111 |
7 | 2615004302554 |
oct | 452203225043 |
9 | 124284852177 |
10 | 40031300131 |
11 | 15a82697319 |
12 | 7912499797 |
13 | 3a0c6c1254 |
14 | 1d1a7d832b |
15 | 109461ae71 |
hex | 9520d2a23 |
40031300131 has 2 divisors, whose sum is σ = 40031300132. Its totient is φ = 40031300130.
The previous prime is 40031300087. The next prime is 40031300149. The reversal of 40031300131 is 13100313004.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 40031300131 - 27 = 40031300003 is a prime.
It is a super-2 number, since 2×400313001312 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (40031300731) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20015650065 + 20015650066.
It is an arithmetic number, because the mean of its divisors is an integer number (20015650066).
Almost surely, 240031300131 is an apocalyptic number.
40031300131 is a deficient number, since it is larger than the sum of its proper divisors (1).
40031300131 is an equidigital number, since it uses as much as digits as its factorization.
40031300131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 40031300131 its reverse (13100313004), we get a palindrome (53131613135).
The spelling of 40031300131 in words is "forty billion, thirty-one million, three hundred thousand, one hundred thirty-one".
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