Base | Representation |
---|---|
bin | 101111111101111100… |
… | …0110101111100001111 |
3 | 100211212221220212112212 |
4 | 1133323320311330033 |
5 | 3141431104330111 |
6 | 115153334421035 |
7 | 10304455336232 |
oct | 1377370657417 |
9 | 324787825485 |
10 | 103010230031 |
11 | 3a760653515 |
12 | 17b69b0177b |
13 | 9938366447 |
14 | 4db2b6b419 |
15 | 2a2d64e98b |
hex | 17fbe35f0f |
103010230031 has 4 divisors (see below), whose sum is σ = 103030791864. Its totient is φ = 102989668200.
The previous prime is 103010230009. The next prime is 103010230061. The reversal of 103010230031 is 130032010301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130032010301 = 293 ⋅443795257.
It is a cyclic number.
It is not a de Polignac number, because 103010230031 - 226 = 102943121167 is a prime.
It is a super-2 number, since 2×1030102300312 (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 = 103010229988 and 103010230015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103010230061) 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, 10273400 + ... + 10283421.
It is an arithmetic number, because the mean of its divisors is an integer number (25757697966).
Almost surely, 2103010230031 is an apocalyptic number.
103010230031 is a deficient number, since it is larger than the sum of its proper divisors (20561833).
103010230031 is an equidigital number, since it uses as much as digits as its factorization.
103010230031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20561832.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 103010230031 its reverse (130032010301), we get a palindrome (233042240332).
The spelling of 103010230031 in words is "one hundred three billion, ten million, two hundred thirty thousand, thirty-one".
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