Base | Representation |
---|---|
bin | 110000000011101000… |
… | …0100100101001011111 |
3 | 100212101020212222210102 |
4 | 1200013100210221133 |
5 | 3142323424000111 |
6 | 115224311331315 |
7 | 10312263012053 |
oct | 1400720445137 |
9 | 325336788712 |
10 | 103201000031 |
11 | 3a849301878 |
12 | 18001980b3b |
13 | 9968a3b4bc |
14 | 4dd0229c63 |
15 | 2a4028413b |
hex | 1807424a5f |
103201000031 has 4 divisors (see below), whose sum is σ = 103204864392. Its totient is φ = 103197135672.
The previous prime is 103201000009. The next prime is 103201000057. The reversal of 103201000031 is 130000102301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130000102301 = 109 ⋅1192661489.
It is a cyclic number.
It is not a de Polignac number, because 103201000031 - 210 = 103200999007 is a prime.
It is a super-2 number, since 2×1032010000312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 103200999976 and 103201000021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103201000531) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891841 + ... + 1945626.
It is an arithmetic number, because the mean of its divisors is an integer number (25801216098).
Almost surely, 2103201000031 is an apocalyptic number.
103201000031 is a deficient number, since it is larger than the sum of its proper divisors (3864361).
103201000031 is an equidigital number, since it uses as much as digits as its factorization.
103201000031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3864360.
The product of its (nonzero) digits is 18, while the sum is 11.
Adding to 103201000031 its reverse (130000102301), we get a palindrome (233201102332).
The spelling of 103201000031 in words is "one hundred three billion, two hundred one million, thirty-one", and thus it is an aban number.
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