Base | Representation |
---|---|
bin | 101111111101111110… |
… | …0101010010110011011 |
3 | 100211220000210201210122 |
4 | 1133323330222112123 |
5 | 3141431333344011 |
6 | 115153412103455 |
7 | 10304500006004 |
oct | 1377374522633 |
9 | 324800721718 |
10 | 103011231131 |
11 | 3a761177676 |
12 | 17b6a304b8b |
13 | 9938627003 |
14 | 4db2d4c1ab |
15 | 2a2d79b3db |
hex | 17fbf2a59b |
103011231131 has 8 divisors (see below), whose sum is σ = 103098769200. Its totient is φ = 102923735040.
The previous prime is 103011231121. The next prime is 103011231143. The reversal of 103011231131 is 131132110301.
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-103011231131 is a prime.
It is a super-2 number, since 2×1030112311312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (103011231101) 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, 6475235 + ... + 6491123.
It is an arithmetic number, because the mean of its divisors is an integer number (12887346150).
Almost surely, 2103011231131 is an apocalyptic number.
103011231131 is a deficient number, since it is larger than the sum of its proper divisors (87538069).
103011231131 is a wasteful number, since it uses less digits than its factorization.
103011231131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20989.
The product of its (nonzero) digits is 54, while the sum is 17.
Adding to 103011231131 its reverse (131132110301), we get a palindrome (234143341432).
The spelling of 103011231131 in words is "one hundred three billion, eleven million, two hundred thirty-one thousand, one hundred thirty-one".
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