Base | Representation |
---|---|
bin | 110000001010011111… |
… | …0011100111110001111 |
3 | 100212222021220212011111 |
4 | 1200110332130332033 |
5 | 3143311332143043 |
6 | 115303212032451 |
7 | 10321056051643 |
oct | 1402476347617 |
9 | 325867825144 |
10 | 103431131023 |
11 | 3a9571a4680 |
12 | 18066a62727 |
13 | 99a461529c |
14 | 5012a12c23 |
15 | 2a5559109d |
hex | 1814f9cf8f |
103431131023 has 8 divisors (see below), whose sum is σ = 113331029760. Its totient is φ = 93614077080.
The previous prime is 103431130981. The next prime is 103431131029. The reversal of 103431131023 is 320131134301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-103431131023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 103431130985 and 103431131003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103431131029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20708583 + ... + 20713576.
It is an arithmetic number, because the mean of its divisors is an integer number (14166378720).
Almost surely, 2103431131023 is an apocalyptic number.
103431131023 is a deficient number, since it is larger than the sum of its proper divisors (9899898737).
103431131023 is a wasteful number, since it uses less digits than its factorization.
103431131023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41422397.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 103431131023 its reverse (320131134301), we get a palindrome (423562265324).
The spelling of 103431131023 in words is "one hundred three billion, four hundred thirty-one million, one hundred thirty-one thousand, twenty-three".
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