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231301223227 is a prime number
BaseRepresentation
bin1101011101101010100…
…0001001001100111011
3211010000210001120120101
43113122220021030323
512242201103120402
6254131443540231
722465600646404
oct3273250111473
9733023046511
10231301223227
118a104568528
12389b238a677
1318a72159c39
14b2a32889ab
15603b430b87
hex35daa0933b

231301223227 has 2 divisors, whose sum is σ = 231301223228. Its totient is φ = 231301223226.

The previous prime is 231301223213. The next prime is 231301223297. The reversal of 231301223227 is 722322103132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231301223227 - 27 = 231301223099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231301223195 and 231301223204.

It is not a weakly prime, because it can be changed into another prime (231301223297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115650611613 + 115650611614.

It is an arithmetic number, because the mean of its divisors is an integer number (115650611614).

Almost surely, 2231301223227 is an apocalyptic number.

231301223227 is a deficient number, since it is larger than the sum of its proper divisors (1).

231301223227 is an equidigital number, since it uses as much as digits as its factorization.

231301223227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 231301223227 its reverse (722322103132), we get a palindrome (953623326359).

The spelling of 231301223227 in words is "two hundred thirty-one billion, three hundred one million, two hundred twenty-three thousand, two hundred twenty-seven".