Search a number
-
+
231301230229 is a prime number
BaseRepresentation
bin1101011101101010100…
…0001010111010010101
3211010000210001221011201
43113122220022322111
512242201103331404
6254131444032501
722465601005666
oct3273250127225
9733023057151
10231301230229
118a104572813
12389b2392731
1318a72160194
14b2a328b36d
15603b432ca4
hex35daa0ae95

231301230229 has 2 divisors, whose sum is σ = 231301230230. Its totient is φ = 231301230228.

The previous prime is 231301230191. The next prime is 231301230253. The reversal of 231301230229 is 922032103132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206965854225 + 24335376004 = 454935^2 + 155998^2 .

It is a cyclic number.

It is not a de Polignac number, because 231301230229 - 213 = 231301222037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231301230197 and 231301230206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231301230289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115650615114 + 115650615115.

It is an arithmetic number, because the mean of its divisors is an integer number (115650615115).

Almost surely, 2231301230229 is an apocalyptic number.

It is an amenable number.

231301230229 is a deficient number, since it is larger than the sum of its proper divisors (1).

231301230229 is an equidigital number, since it uses as much as digits as its factorization.

231301230229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 231301230229 in words is "two hundred thirty-one billion, three hundred one million, two hundred thirty thousand, two hundred twenty-nine".