Base | Representation |
---|---|
bin | 11101011000001011… |
… | …101101000000111001 |
3 | 10000102101001010020111 |
4 | 131120023231000321 |
5 | 1004100310442131 |
6 | 22254034224321 |
7 | 2164460364625 |
oct | 353013550071 |
9 | 100371033214 |
10 | 31544234041 |
11 | 12417996a11 |
12 | 61441250a1 |
13 | 2c892a4158 |
14 | 1753584185 |
15 | c494aeab1 |
hex | 7582ed039 |
31544234041 has 4 divisors (see below), whose sum is σ = 31545293184. Its totient is φ = 31543174900.
The previous prime is 31544234039. The next prime is 31544234053. The reversal of 31544234041 is 14043244513.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 31544234041 - 21 = 31544234039 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31544233994 and 31544234012.
It is not an unprimeable number, because it can be changed into a prime (31544234341) 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 3 ways as a sum of consecutive naturals, for example, 483565 + ... + 544906.
It is an arithmetic number, because the mean of its divisors is an integer number (7886323296).
Almost surely, 231544234041 is an apocalyptic number.
It is an amenable number.
31544234041 is a deficient number, since it is larger than the sum of its proper divisors (1059143).
31544234041 is a wasteful number, since it uses less digits than its factorization.
31544234041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1059142.
The product of its (nonzero) digits is 23040, while the sum is 31.
Adding to 31544234041 its reverse (14043244513), we get a palindrome (45587478554).
The spelling of 31544234041 in words is "thirty-one billion, five hundred forty-four million, two hundred thirty-four thousand, forty-one".
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