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230211303211 = 718073205973
BaseRepresentation
bin1101011001100110101…
…0011011011100101011
3211000012211011220101101
43112121222123130223
512232433043200321
6253431351102231
722426564535131
oct3263152333453
9730184156341
10230211303211
11896a530848a
1238749371977
131892a3c8356
14b1dc611751
155ec58db791
hex3599a9b72b

230211303211 has 4 divisors (see below), whose sum is σ = 230214580992. Its totient is φ = 230208025432.

The previous prime is 230211303209. The next prime is 230211303227. The reversal of 230211303211 is 112303112032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230211303211 - 21 = 230211303209 is a prime.

It is a super-2 number, since 2×2302113032112 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230211303241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531180 + ... + 1674793.

It is an arithmetic number, because the mean of its divisors is an integer number (57553645248).

Almost surely, 2230211303211 is an apocalyptic number.

230211303211 is a deficient number, since it is larger than the sum of its proper divisors (3277781).

230211303211 is an equidigital number, since it uses as much as digits as its factorization.

230211303211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277780.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 230211303211 its reverse (112303112032), we get a palindrome (342514415243).

The spelling of 230211303211 in words is "two hundred thirty billion, two hundred eleven million, three hundred three thousand, two hundred eleven".

Divisors: 1 71807 3205973 230211303211