Base | Representation |
---|---|
bin | 110000000001100001… |
… | …0111111011110010111 |
3 | 100212012022220122011001 |
4 | 1200003002333132113 |
5 | 3142202331043111 |
6 | 115213304524131 |
7 | 10310444231020 |
oct | 1400302773627 |
9 | 325168818131 |
10 | 103130331031 |
11 | 3a812424142 |
12 | 17ba2180647 |
13 | 99571c7320 |
14 | 4dc4ab1c47 |
15 | 2a38e751c1 |
hex | 18030bf797 |
103130331031 has 16 divisors (see below), whose sum is σ = 127108744000. Its totient is φ = 81482485248.
The previous prime is 103130330999. The next prime is 103130331103. The reversal of 103130331031 is 130133031301.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 103130331031 - 25 = 103130330999 is a prime.
It is a super-2 number, since 2×1031303310312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103130331631) 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, 734706 + ... + 863743.
It is an arithmetic number, because the mean of its divisors is an integer number (7944296500).
Almost surely, 2103130331031 is an apocalyptic number.
103130331031 is a deficient number, since it is larger than the sum of its proper divisors (23978412969).
103130331031 is a wasteful number, since it uses less digits than its factorization.
103130331031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1599178.
The product of its (nonzero) digits is 243, while the sum is 19.
Adding to 103130331031 its reverse (130133031301), we get a palindrome (233263362332).
The spelling of 103130331031 in words is "one hundred three billion, one hundred thirty million, three hundred thirty-one thousand, thirty-one".
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