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230211343 is a prime number
BaseRepresentation
bin11011011100010…
…11111100001111
3121001011221121001
431232023330033
5432413230333
634502121131
75463523045
oct1556137417
9531157531
10230211343
11108a4820a
12651201a7
133890453b
1422808395
1515325b7d
hexdb8bf0f

230211343 has 2 divisors, whose sum is σ = 230211344. Its totient is φ = 230211342.

The previous prime is 230211329. The next prime is 230211403. The reversal of 230211343 is 343112032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230211343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230211343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230217343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115105671 + 115105672.

It is an arithmetic number, because the mean of its divisors is an integer number (115105672).

Almost surely, 2230211343 is an apocalyptic number.

230211343 is a deficient number, since it is larger than the sum of its proper divisors (1).

230211343 is an equidigital number, since it uses as much as digits as its factorization.

230211343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 230211343 is about 15172.7170605663. The cubic root of 230211343 is about 612.8801742533.

Adding to 230211343 its reverse (343112032), we get a palindrome (573323375).

The spelling of 230211343 in words is "two hundred thirty million, two hundred eleven thousand, three hundred forty-three".