Search a number
-
+
231550510414229 is a prime number
BaseRepresentation
bin110100101001100000001101…
…111010111011100110010101
31010100212000100012012212002122
4310221200031322323212111
5220322210421131223404
62140244500323545325
766525654335045336
oct6451401572734625
91110760305185078
10231550510414229
116786302468a586
1221b7805952b245
139c281725447a6
144127166a7428d
151bb82607cb3be
hexd2980debb995

231550510414229 has 2 divisors, whose sum is σ = 231550510414230. Its totient is φ = 231550510414228.

The previous prime is 231550510414213. The next prime is 231550510414231. The reversal of 231550510414229 is 922414015055132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231532285954225 + 18224460004 = 15216185^2 + 134998^2 .

It is a cyclic number.

It is not a de Polignac number, because 231550510414229 - 24 = 231550510414213 is a prime.

Together with 231550510414231, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231550510414229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231550510414429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115775255207114 + 115775255207115.

It is an arithmetic number, because the mean of its divisors is an integer number (115775255207115).

Almost surely, 2231550510414229 is an apocalyptic number.

It is an amenable number.

231550510414229 is a deficient number, since it is larger than the sum of its proper divisors (1).

231550510414229 is an equidigital number, since it uses as much as digits as its factorization.

231550510414229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 231550510414229 in words is "two hundred thirty-one trillion, five hundred fifty billion, five hundred ten million, four hundred fourteen thousand, two hundred twenty-nine".