Base | Representation |
---|---|
bin | 110000000001100111… |
… | …0010111000011111111 |
3 | 100212012112112001012211 |
4 | 1200003032113003333 |
5 | 3142204111424411 |
6 | 115213452441251 |
7 | 10310511452446 |
oct | 1400316270377 |
9 | 325175461184 |
10 | 103133311231 |
11 | 3a81407a215 |
12 | 17ba3179227 |
13 | 99579cb962 |
14 | 4dc5249d5d |
15 | 2a39363221 |
hex | 18033970ff |
103133311231 has 4 divisors (see below), whose sum is σ = 103345084432. Its totient is φ = 102921538032.
The previous prime is 103133311223. The next prime is 103133311243. The reversal of 103133311231 is 132113331301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132113331301 = 7 ⋅18873333043.
It is a cyclic number.
It is not a de Polignac number, because 103133311231 - 23 = 103133311223 is a prime.
It is a super-2 number, since 2×1031333112312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103133311271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105885870 + ... + 105886843.
It is an arithmetic number, because the mean of its divisors is an integer number (25836271108).
Almost surely, 2103133311231 is an apocalyptic number.
103133311231 is a deficient number, since it is larger than the sum of its proper divisors (211773201).
103133311231 is an equidigital number, since it uses as much as digits as its factorization.
103133311231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 211773200.
The product of its (nonzero) digits is 486, while the sum is 22.
Adding to 103133311231 its reverse (132113331301), we get a palindrome (235246642532).
The spelling of 103133311231 in words is "one hundred three billion, one hundred thirty-three million, three hundred eleven thousand, two hundred thirty-one".
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