Search a number
-
+
231323120203303 = 2311987839036203
BaseRepresentation
bin110100100110001100011100…
…011010000111011000100111
31010100001021101222102021210201
4310212030130122013120213
5220304444222233001203
62135552212510331331
766503354364124102
oct6446143432073047
91110037358367721
10231323120203303
1167785647856527
1221b3bb78ab9b47
139c0c8a475001b
14411a154db7739
151bb23a28e3e1d
hexd2631c687627

231323120203303 has 8 divisors (see below), whose sum is σ = 241400784325248. Its totient is φ = 221247134177784.

The previous prime is 231323120203223. The next prime is 231323120203333. The reversal of 231323120203303 is 303302021323132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231323120203303 - 221 = 231323118106151 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 (231323120203333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419242401 + ... + 419793802.

It is an arithmetic number, because the mean of its divisors is an integer number (30175098040656).

Almost surely, 2231323120203303 is an apocalyptic number.

231323120203303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231323120203303 is a deficient number, since it is larger than the sum of its proper divisors (10077664121945).

231323120203303 is a wasteful number, since it uses less digits than its factorization.

231323120203303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839048213.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 231323120203303 its reverse (303302021323132), we get a palindrome (534625141526435).

The spelling of 231323120203303 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, one hundred twenty million, two hundred three thousand, three hundred three".

Divisors: 1 23 11987 275701 839036203 19297832669 10057526965361 231323120203303