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230001131 is a prime number
BaseRepresentation
bin11011011010110…
…00100111101011
3121000210021020102
431231120213223
5432340014011
634453420015
75461656143
oct1555304753
9530707212
10230001131
11108914288
126503a60b
133885c959
1422791923
15152d373b
hexdb589eb

230001131 has 2 divisors, whose sum is σ = 230001132. Its totient is φ = 230001130.

The previous prime is 230001119. The next prime is 230001157. The reversal of 230001131 is 131100032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230001131 - 26 = 230001067 is a prime.

It is a super-2 number, since 2×2300011312 = 105801040522558322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230021131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115000565 + 115000566.

It is an arithmetic number, because the mean of its divisors is an integer number (115000566).

Almost surely, 2230001131 is an apocalyptic number.

230001131 is a deficient number, since it is larger than the sum of its proper divisors (1).

230001131 is an equidigital number, since it uses as much as digits as its factorization.

230001131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 230001131 is about 15165.7881760230. The cubic root of 230001131 is about 612.6935718042.

Adding to 230001131 its reverse (131100032), we get a palindrome (361101163).

The spelling of 230001131 in words is "two hundred thirty million, one thousand, one hundred thirty-one".