Base | Representation |
---|---|
bin | 1011101000010111… |
… | …1010011000011111 |
3 | 22001120210201112221 |
4 | 2322011322120133 |
5 | 22343230041111 |
6 | 1233445410211 |
7 | 140240341303 |
oct | 27205723037 |
9 | 8046721487 |
10 | 3122112031 |
11 | 1362394a85 |
12 | 731709967 |
13 | 3a9a9a88c |
14 | 218911d03 |
15 | 134165371 |
hex | ba17a61f |
3122112031 has 2 divisors, whose sum is σ = 3122112032. Its totient is φ = 3122112030.
The previous prime is 3122112017. The next prime is 3122112047. The reversal of 3122112031 is 1302112213.
It is an a-pointer prime, because the next prime (3122112047) can be obtained adding 3122112031 to its sum of digits (16).
It is a weak prime.
It is an emirp because it is prime and its reverse (1302112213) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3122112031 - 29 = 3122111519 is a prime.
It is a super-2 number, since 2×31221120312 = 19495167068229889922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3122111996 and 3122112014.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3122142031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561056015 + 1561056016.
It is an arithmetic number, because the mean of its divisors is an integer number (1561056016).
Almost surely, 23122112031 is an apocalyptic number.
3122112031 is a deficient number, since it is larger than the sum of its proper divisors (1).
3122112031 is an equidigital number, since it uses as much as digits as its factorization.
3122112031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 3122112031 is about 55875.8626868525. The cubic root of 3122112031 is about 1461.5583584270.
Adding to 3122112031 its reverse (1302112213), we get a palindrome (4424224244).
The spelling of 3122112031 in words is "three billion, one hundred twenty-two million, one hundred twelve thousand, thirty-one".
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