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3313244021 is a prime number
BaseRepresentation
bin1100010101111100…
…0001011101110101
322112220110020100112
43011133001131311
523241142302041
61304434152405
7145051052363
oct30537013565
98486406315
103313244021
1114502702aa
12785722705
1340a56b629
14236066633
15145d1bdeb
hexc57c1775

3313244021 has 2 divisors, whose sum is σ = 3313244022. Its totient is φ = 3313244020.

The previous prime is 3313243987. The next prime is 3313244027. The reversal of 3313244021 is 1204423133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2465619025 + 847624996 = 49655^2 + 29114^2 .

It is an emirp because it is prime and its reverse (1204423133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3313244021 - 222 = 3309049717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3313244027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656622010 + 1656622011.

It is an arithmetic number, because the mean of its divisors is an integer number (1656622011).

Almost surely, 23313244021 is an apocalyptic number.

It is an amenable number.

3313244021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3313244021 is an equidigital number, since it uses as much as digits as its factorization.

3313244021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3313244021 is about 57560.7854446063. The cubic root of 3313244021 is about 1490.7945885726.

Adding to 3313244021 its reverse (1204423133), we get a palindrome (4517667154).

The spelling of 3313244021 in words is "three billion, three hundred thirteen million, two hundred forty-four thousand, twenty-one".