Base | Representation |
---|---|
bin | 101111100110011011… |
… | …1000011010000011011 |
3 | 100202211222021120112101 |
4 | 1133030313003100123 |
5 | 3133322113344011 |
6 | 114543151424231 |
7 | 10246065062005 |
oct | 1371467032033 |
9 | 322758246471 |
10 | 102221231131 |
11 | 3a396246a08 |
12 | 17989825077 |
13 | 9840a659a6 |
14 | 4d3a067375 |
15 | 29d424c2c1 |
hex | 17ccdc341b |
102221231131 has 8 divisors (see below), whose sum is σ = 105753103200. Its totient is φ = 98689825920.
The previous prime is 102221231129. The next prime is 102221231137. The reversal of 102221231131 is 131132122201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 102221231131 - 21 = 102221231129 is a prime.
It is a super-2 number, since 2×1022212311312 (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 = 102221231099 and 102221231108.
It is not an unprimeable number, because it can be changed into a prime (102221231137) 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, 362115 + ... + 579283.
It is an arithmetic number, because the mean of its divisors is an integer number (13219137900).
Almost surely, 2102221231131 is an apocalyptic number.
102221231131 is a deficient number, since it is larger than the sum of its proper divisors (3531872069).
102221231131 is a wasteful number, since it uses less digits than its factorization.
102221231131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 233429.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 102221231131 its reverse (131132122201), we get a palindrome (233353353332).
The spelling of 102221231131 in words is "one hundred two billion, two hundred twenty-one million, two hundred thirty-one thousand, one hundred thirty-one".
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