Base | Representation |
---|---|
bin | 1011100101111110… |
… | …1110010100001011 |
3 | 22000212222010011212 |
4 | 2321133232110023 |
5 | 22333144214011 |
6 | 1232451043335 |
7 | 140056265066 |
oct | 27137562413 |
9 | 8025863155 |
10 | 3112101131 |
11 | 1357777707 |
12 | 72a2a054b |
13 | 3a79a4079 |
14 | 2174678dd |
15 | 13333908b |
hex | b97ee50b |
3112101131 has 4 divisors (see below), whose sum is σ = 3119529000. Its totient is φ = 3104673264.
The previous prime is 3112101127. The next prime is 3112101197. The reversal of 3112101131 is 1311012113.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1311012113 = 1109 ⋅1182157.
It is a cyclic number.
It is not a de Polignac number, because 3112101131 - 22 = 3112101127 is a prime.
It is a super-2 number, since 2×31121011312 = 19370346899142958322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3118101131) 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, 3713306 + ... + 3714143.
It is an arithmetic number, because the mean of its divisors is an integer number (779882250).
Almost surely, 23112101131 is an apocalyptic number.
3112101131 is a deficient number, since it is larger than the sum of its proper divisors (7427869).
3112101131 is an equidigital number, since it uses as much as digits as its factorization.
3112101131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7427868.
The product of its (nonzero) digits is 18, while the sum is 14.
The square root of 3112101131 is about 55786.2091470643. The cubic root of 3112101131 is about 1459.9945472681.
Adding to 3112101131 its reverse (1311012113), we get a palindrome (4423113244).
The spelling of 3112101131 in words is "three billion, one hundred twelve million, one hundred one thousand, one hundred thirty-one".
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