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230230011 = 311191312803
BaseRepresentation
bin11011011100100…
…00011111111011
3121001012220012110
431232100133323
5432414330021
634502343403
75463631344
oct1556203773
9531186173
10230230011
11108a60240
126512ab63
133890cb9b
14228110cb
151532b476
hexdb907fb

230230011 has 32 divisors (see below), whose sum is σ = 355322880. Its totient is φ = 131133600.

The previous prime is 230229953. The next prime is 230230019. The reversal of 230230011 is 110032032.

It is a happy number.

It is not a de Polignac number, because 230230011 - 213 = 230221819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230230019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80736 + ... + 83538.

It is an arithmetic number, because the mean of its divisors is an integer number (11103840).

Almost surely, 2230230011 is an apocalyptic number.

230230011 is a deficient number, since it is larger than the sum of its proper divisors (125092869).

230230011 is a wasteful number, since it uses less digits than its factorization.

230230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 230230011 is about 15173.3322312536. The cubic root of 230230011 is about 612.8967401006.

Adding to 230230011 its reverse (110032032), we get a palindrome (340262043).

The spelling of 230230011 in words is "two hundred thirty million, two hundred thirty thousand, eleven".

Divisors: 1 3 11 19 33 57 131 209 393 627 1441 2489 2803 4323 7467 8409 27379 30833 53257 82137 92499 159771 367193 585827 1101579 1757481 4039123 6976667 12117369 20930001 76743337 230230011