Base | Representation |
---|---|
bin | 11101001100000110… |
… | …000100110101001111 |
3 | 2222220020102201100002 |
4 | 131030012010311033 |
5 | 1003141401312033 |
6 | 22221551354515 |
7 | 2156445530510 |
oct | 351406046517 |
9 | 88806381302 |
10 | 31341432143 |
11 | 1232346a93a |
12 | 60a8222a3b |
13 | 2c56278728 |
14 | 1734672a07 |
15 | c367a03e8 |
hex | 74c184d4f |
31341432143 has 8 divisors (see below), whose sum is σ = 35824786560. Its totient is φ = 26859579480.
The previous prime is 31341432139. The next prime is 31341432173. The reversal of 31341432143 is 34123414313.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31341432143 - 22 = 31341432139 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31341432173) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330353 + ... + 414506.
It is an arithmetic number, because the mean of its divisors is an integer number (4478098320).
Almost surely, 231341432143 is an apocalyptic number.
31341432143 is a deficient number, since it is larger than the sum of its proper divisors (4483354417).
31341432143 is an equidigital number, since it uses as much as digits as its factorization.
31341432143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 750877.
The product of its digits is 10368, while the sum is 29.
Adding to 31341432143 its reverse (34123414313), we get a palindrome (65464846456).
The spelling of 31341432143 in words is "thirty-one billion, three hundred forty-one million, four hundred thirty-two thousand, one hundred forty-three".
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