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213331323241 = 1704712514303
BaseRepresentation
bin1100011010101110001…
…0011010100101101001
3202101122102112002000001
43012223202122211221
511443400304320431
6242000354343001
721261356220421
oct3065342324551
9671572462001
10213331323241
1182522a74713
123541828aa61
131716a23801a
14a47a855481
155838a20e61
hex31ab89a969

213331323241 has 4 divisors (see below), whose sum is σ = 213343854592. Its totient is φ = 213318791892.

The previous prime is 213331323221. The next prime is 213331323301. The reversal of 213331323241 is 142323133312.

213331323241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213331323241 - 213 = 213331315049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213331323221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6240105 + ... + 6274198.

It is an arithmetic number, because the mean of its divisors is an integer number (53335963648).

Almost surely, 2213331323241 is an apocalyptic number.

It is an amenable number.

213331323241 is a deficient number, since it is larger than the sum of its proper divisors (12531351).

213331323241 is a wasteful number, since it uses less digits than its factorization.

213331323241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12531350.

The product of its digits is 7776, while the sum is 28.

Adding to 213331323241 its reverse (142323133312), we get a palindrome (355654456553).

The spelling of 213331323241 in words is "two hundred thirteen billion, three hundred thirty-one million, three hundred twenty-three thousand, two hundred forty-one".

Divisors: 1 17047 12514303 213331323241