Base | Representation |
---|---|
bin | 11101010001011101… |
… | …010100000101111011 |
3 | 10000010111202001210220 |
4 | 131101131110011323 |
5 | 1003332420110133 |
6 | 22234524111123 |
7 | 2161620401655 |
oct | 352135240573 |
9 | 100114661726 |
10 | 31431410043 |
11 | 1236a236640 |
12 | 61123954a3 |
13 | 2c6bac05a7 |
14 | 17425b56d5 |
15 | c3e6255b3 |
hex | 75175417b |
31431410043 has 16 divisors (see below), whose sum is σ = 47193203712. Its totient is φ = 18434844000.
The previous prime is 31431409957. The next prime is 31431410057. The reversal of 31431410043 is 34001413413.
It is not a de Polignac number, because 31431410043 - 28 = 31431409787 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31431409995 and 31431410022.
It is not an unprimeable number, because it can be changed into a prime (31431410243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15361348 + ... + 15363393.
It is an arithmetic number, because the mean of its divisors is an integer number (2949575232).
Almost surely, 231431410043 is an apocalyptic number.
31431410043 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
31431410043 is a deficient number, since it is larger than the sum of its proper divisors (15761793669).
31431410043 is a wasteful number, since it uses less digits than its factorization.
31431410043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30724786.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 31431410043 its reverse (34001413413), we get a palindrome (65432823456).
The spelling of 31431410043 in words is "thirty-one billion, four hundred thirty-one million, four hundred ten thousand, forty-three".
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