Base | Representation |
---|---|
bin | 11011100100001… |
… | …11011001111001 |
3 | 121010010021110222 |
4 | 31302013121321 |
5 | 433144210322 |
6 | 34540145425 |
7 | 5505342665 |
oct | 1562073171 |
9 | 533107428 |
10 | 231241337 |
11 | 109591048 |
12 | 65538275 |
13 | 38ba52c2 |
14 | 229d58a5 |
15 | 1547ae42 |
hex | dc87679 |
231241337 has 2 divisors, whose sum is σ = 231241338. Its totient is φ = 231241336.
The previous prime is 231241291. The next prime is 231241349. The reversal of 231241337 is 733142132.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 137616361 + 93624976 = 11731^2 + 9676^2 .
It is a cyclic number.
It is not a de Polignac number, because 231241337 - 210 = 231240313 is a prime.
It is not a weakly prime, because it can be changed into another prime (231241357) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115620668 + 115620669.
It is an arithmetic number, because the mean of its divisors is an integer number (115620669).
Almost surely, 2231241337 is an apocalyptic number.
It is an amenable number.
231241337 is a deficient number, since it is larger than the sum of its proper divisors (1).
231241337 is an equidigital number, since it uses as much as digits as its factorization.
231241337 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3024, while the sum is 26.
The square root of 231241337 is about 15206.6214853925. The cubic root of 231241337 is about 613.7928483462.
Adding to 231241337 its reverse (733142132), we get a palindrome (964383469).
The spelling of 231241337 in words is "two hundred thirty-one million, two hundred forty-one thousand, three hundred thirty-seven".
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