Base | Representation |
---|---|
bin | 1101101001101100100… |
… | …0111000010110011111 |
3 | 211102100212111210010102 |
4 | 3122123020320112133 |
5 | 12320304420433211 |
6 | 255424141531315 |
7 | 22641616603055 |
oct | 3323310702637 |
9 | 742325453112 |
10 | 234531030431 |
11 | 9051171a485 |
12 | 39553b73b3b |
13 | 19168333a69 |
14 | b4cc1d21d5 |
15 | 6179c6aa3b |
hex | 369b23859f |
234531030431 has 2 divisors, whose sum is σ = 234531030432. Its totient is φ = 234531030430.
The previous prime is 234531030403. The next prime is 234531030467. The reversal of 234531030431 is 134030135432.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 234531030431 - 218 = 234530768287 is a prime.
It is a super-2 number, since 2×2345310304312 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 234531030394 and 234531030403.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (234531030491) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117265515215 + 117265515216.
It is an arithmetic number, because the mean of its divisors is an integer number (117265515216).
Almost surely, 2234531030431 is an apocalyptic number.
234531030431 is a deficient number, since it is larger than the sum of its proper divisors (1).
234531030431 is an equidigital number, since it uses as much as digits as its factorization.
234531030431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12960, while the sum is 29.
Adding to 234531030431 its reverse (134030135432), we get a palindrome (368561165863).
The spelling of 234531030431 in words is "two hundred thirty-four billion, five hundred thirty-one million, thirty thousand, four hundred thirty-one".
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