Base | Representation |
---|---|
bin | 110000000100001110… |
… | …1101111101000110011 |
3 | 100212102122221210021101 |
4 | 1200020131233220303 |
5 | 3142344113331011 |
6 | 115230313105231 |
7 | 10312626656665 |
oct | 1401035575063 |
9 | 325378853241 |
10 | 103221230131 |
11 | 3a859769a68 |
12 | 180086b8217 |
13 | 996cca2586 |
14 | 4dd2bb4535 |
15 | 2a41e2d2c1 |
hex | 180876fa33 |
103221230131 has 4 divisors (see below), whose sum is σ = 106550947264. Its totient is φ = 99891513000.
The previous prime is 103221230081. The next prime is 103221230141. The reversal of 103221230131 is 131032122301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131032122301 = 467 ⋅280582703.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-103221230131 is a prime.
It is a super-2 number, since 2×1032212301312 (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 = 103221230099 and 103221230108.
It is not an unprimeable number, because it can be changed into a prime (103221230141) 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, 1664858520 + ... + 1664858581.
It is an arithmetic number, because the mean of its divisors is an integer number (26637736816).
Almost surely, 2103221230131 is an apocalyptic number.
103221230131 is a deficient number, since it is larger than the sum of its proper divisors (3329717133).
103221230131 is an equidigital number, since it uses as much as digits as its factorization.
103221230131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3329717132.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 103221230131 its reverse (131032122301), we get a palindrome (234253352432).
The spelling of 103221230131 in words is "one hundred three billion, two hundred twenty-one million, two hundred thirty thousand, one hundred thirty-one".
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