Search a number
-
+
231061027 is a prime number
BaseRepresentation
bin11011100010110…
…11011000100011
3121002210010010211
431301123120203
5433122423102
634532234551
75503662211
oct1561333043
9532703124
10231061027
1110947862a
126546ba57
1338b41202
1422989cb1
15154427d7
hexdc5b623

231061027 has 2 divisors, whose sum is σ = 231061028. Its totient is φ = 231061026.

The previous prime is 231061021. The next prime is 231061057. The reversal of 231061027 is 720160132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231061027 - 27 = 231060899 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 231060989 and 231061007.

It is not a weakly prime, because it can be changed into another prime (231061021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115530513 + 115530514.

It is an arithmetic number, because the mean of its divisors is an integer number (115530514).

Almost surely, 2231061027 is an apocalyptic number.

231061027 is a deficient number, since it is larger than the sum of its proper divisors (1).

231061027 is an equidigital number, since it uses as much as digits as its factorization.

231061027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 231061027 is about 15200.6916618949. The cubic root of 231061027 is about 613.6332722541.

The spelling of 231061027 in words is "two hundred thirty-one million, sixty-one thousand, twenty-seven".