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230312011 is a prime number
BaseRepresentation
bin11011011101001…
…00100001001011
3121001101001200111
431232210201023
5432424441021
634504215151
75464422406
oct1556444113
9531331614
10230312011
11109006906
126516a4b7
133893b2c7
1422832d3d
15153458e1
hexdba484b

230312011 has 2 divisors, whose sum is σ = 230312012. Its totient is φ = 230312010.

The previous prime is 230312003. The next prime is 230312023. The reversal of 230312011 is 110213032.

230312011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230312011 - 23 = 230312003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230311982 and 230312000.

It is not a weakly prime, because it can be changed into another prime (230312081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115156005 + 115156006.

It is an arithmetic number, because the mean of its divisors is an integer number (115156006).

Almost surely, 2230312011 is an apocalyptic number.

230312011 is a deficient number, since it is larger than the sum of its proper divisors (1).

230312011 is an equidigital number, since it uses as much as digits as its factorization.

230312011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 230312011 is about 15176.0340998563. The cubic root of 230312011 is about 612.9694956998.

Adding to 230312011 its reverse (110213032), we get a palindrome (340525043).

The spelling of 230312011 in words is "two hundred thirty million, three hundred twelve thousand, eleven".