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3331220393 is a prime number
BaseRepresentation
bin1100011010001110…
…0110001110101001
322121011021112022002
43012203212032221
523310243023033
61310315340345
7145356622544
oct30643461651
98534245262
103331220393
11145a429206
1278b7516b5
134111c3937
142385c585b
151476bd3e8
hexc68e63a9

3331220393 has 2 divisors, whose sum is σ = 3331220394. Its totient is φ = 3331220392.

The previous prime is 3331220377. The next prime is 3331220419. The reversal of 3331220393 is 3930221333.

3331220393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3198694249 + 132526144 = 56557^2 + 11512^2 .

It is a cyclic number.

It is not a de Polignac number, because 3331220393 - 24 = 3331220377 is a prime.

It is a super-2 number, since 2×33312203932 = 22194058613478148898, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3331220303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665610196 + 1665610197.

It is an arithmetic number, because the mean of its divisors is an integer number (1665610197).

Almost surely, 23331220393 is an apocalyptic number.

It is an amenable number.

3331220393 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331220393 is an equidigital number, since it uses as much as digits as its factorization.

3331220393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 29.

The square root of 3331220393 is about 57716.7254182009. The cubic root of 3331220393 is about 1493.4858841099.

The spelling of 3331220393 in words is "three billion, three hundred thirty-one million, two hundred twenty thousand, three hundred ninety-three".