Base | Representation |
---|---|
bin | 1011101010111111… |
… | …1101001001110111 |
3 | 22002100112200001221 |
4 | 2322233331021313 |
5 | 22404040232211 |
6 | 1234521531211 |
7 | 140433123541 |
oct | 27257751167 |
9 | 8070480057 |
10 | 3133133431 |
11 | 136863257a |
12 | 735343b07 |
13 | 3ac15930c |
14 | 21a180691 |
15 | 1350e0c71 |
hex | babfd277 |
3133133431 has 2 divisors, whose sum is σ = 3133133432. Its totient is φ = 3133133430.
The previous prime is 3133133429. The next prime is 3133133453. The reversal of 3133133431 is 1343313313.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 3133133431 - 21 = 3133133429 is a prime.
It is a super-4 number, since 4×31331334314 (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
Together with 3133133429, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 3133133396 and 3133133405.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3133133461) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566566715 + 1566566716.
It is an arithmetic number, because the mean of its divisors is an integer number (1566566716).
Almost surely, 23133133431 is an apocalyptic number.
3133133431 is a deficient number, since it is larger than the sum of its proper divisors (1).
3133133431 is an equidigital number, since it uses as much as digits as its factorization.
3133133431 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2916, while the sum is 25.
The square root of 3133133431 is about 55974.3997824005. The cubic root of 3133133431 is about 1463.2761594311.
Adding to 3133133431 its reverse (1343313313), we get a palindrome (4476446744).
The spelling of 3133133431 in words is "three billion, one hundred thirty-three million, one hundred thirty-three thousand, four hundred thirty-one".
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