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231250241 is a prime number
BaseRepresentation
bin11011100100010…
…01100101000001
3121010010201200202
431302021211001
5433200001431
634540254545
75505410645
oct1562114501
9533121622
10231250241
11109597802
1265541455
1338ba9381
14229d8c25
151547d8cb
hexdc89941

231250241 has 2 divisors, whose sum is σ = 231250242. Its totient is φ = 231250240.

The previous prime is 231250193. The next prime is 231250277. The reversal of 231250241 is 142052132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167314225 + 63936016 = 12935^2 + 7996^2 .

It is a cyclic number.

It is not a de Polignac number, because 231250241 - 210 = 231249217 is a prime.

It is not a weakly prime, because it can be changed into another prime (231258241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115625120 + 115625121.

It is an arithmetic number, because the mean of its divisors is an integer number (115625121).

Almost surely, 2231250241 is an apocalyptic number.

It is an amenable number.

231250241 is a deficient number, since it is larger than the sum of its proper divisors (1).

231250241 is an equidigital number, since it uses as much as digits as its factorization.

231250241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 231250241 is about 15206.9142497747. The cubic root of 231250241 is about 613.8007263226.

The spelling of 231250241 in words is "two hundred thirty-one million, two hundred fifty thousand, two hundred forty-one".