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3331223305 = 5666244661
BaseRepresentation
bin1100011010001110…
…0110111100001001
322121011021200021221
43012203212330021
523310243121210
61310315402041
7145356634204
oct30643467411
98534250257
103331223305
11145a430413
1278b753321
134111c5067
142385c693b
151476be1da
hexc68e6f09

3331223305 has 4 divisors (see below), whose sum is σ = 3997467972. Its totient is φ = 2664978640.

The previous prime is 3331223303. The next prime is 3331223323. The reversal of 3331223305 is 5033221333.

It is a happy number.

3331223305 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.

It can be written as a sum of positive squares in 2 ways, for example, as 771672841 + 2559550464 = 27779^2 + 50592^2 .

It is not a de Polignac number, because 3331223305 - 21 = 3331223303 is a prime.

It is a super-2 number, since 2×33312233052 = 22194097415550246050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3331223305.

It is not an unprimeable number, because it can be changed into a prime (3331223303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333122326 + ... + 333122335.

It is an arithmetic number, because the mean of its divisors is an integer number (999366993).

Almost surely, 23331223305 is an apocalyptic number.

It is an amenable number.

3331223305 is a deficient number, since it is larger than the sum of its proper divisors (666244667).

3331223305 is an equidigital number, since it uses as much as digits as its factorization.

3331223305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666244666.

The product of its (nonzero) digits is 4860, while the sum is 25.

The square root of 3331223305 is about 57716.7506448518. The cubic root of 3331223305 is about 1493.4863192887.

Adding to 3331223305 its reverse (5033221333), we get a palindrome (8364444638).

The spelling of 3331223305 in words is "three billion, three hundred thirty-one million, two hundred twenty-three thousand, three hundred five".

Divisors: 1 5 666244661 3331223305