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230211341 = 1013227257
BaseRepresentation
bin11011011100010…
…11111100001101
3121001011221120222
431232023330031
5432413230331
634502121125
75463523043
oct1556137415
9531157528
10230211341
11108a48208
12651201a5
1338904539
1422808393
1515325b7b
hexdb8bf0d

230211341 has 4 divisors (see below), whose sum is σ = 230439612. Its totient is φ = 229983072.

The previous prime is 230211329. The next prime is 230211343. The reversal of 230211341 is 143112032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55204900 + 175006441 = 7430^2 + 13229^2 .

It is a cyclic number.

It is not a de Polignac number, because 230211341 - 210 = 230210317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230211343) 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 in 3 ways as a sum of consecutive naturals, for example, 112616 + ... + 114641.

It is an arithmetic number, because the mean of its divisors is an integer number (57609903).

Almost surely, 2230211341 is an apocalyptic number.

It is an amenable number.

230211341 is a deficient number, since it is larger than the sum of its proper divisors (228271).

230211341 is a wasteful number, since it uses less digits than its factorization.

230211341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228270.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 230211341 is about 15172.7169946585. The cubic root of 230211341 is about 612.8801724785.

Adding to 230211341 its reverse (143112032), we get a palindrome (373323373).

The spelling of 230211341 in words is "two hundred thirty million, two hundred eleven thousand, three hundred forty-one".

Divisors: 1 1013 227257 230211341