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231070241 is a prime number
BaseRepresentation
bin11011100010111…
…01101000100001
3121002210120210002
431301131220201
5433123221431
634532345345
75504031113
oct1561355041
9532716702
10231070241
11109484546
1265475255
1338b4546c
142298d3b3
15154453cb
hexdc5da21

231070241 has 2 divisors, whose sum is σ = 231070242. Its totient is φ = 231070240.

The previous prime is 231070223. The next prime is 231070247. The reversal of 231070241 is 142070132.

231070241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133633600 + 97436641 = 11560^2 + 9871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231070241 is a prime.

It is not a weakly prime, because it can be changed into another prime (231070247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115535120 + 115535121.

It is an arithmetic number, because the mean of its divisors is an integer number (115535121).

Almost surely, 2231070241 is an apocalyptic number.

It is an amenable number.

231070241 is a deficient number, since it is larger than the sum of its proper divisors (1).

231070241 is an equidigital number, since it uses as much as digits as its factorization.

231070241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 231070241 is about 15200.9947371874. The cubic root of 231070241 is about 613.6414287455.

The spelling of 231070241 in words is "two hundred thirty-one million, seventy thousand, two hundred forty-one".