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3221103031213 is a prime number
BaseRepresentation
bin101110110111111000101…
…100111011001110101101
3102101221020012122000120011
4232313320230323032231
5410233304333444323
610503430532453221
7451500636004324
oct56677054731655
912357205560504
103221103031213
111032075761641
12440330a7a211
131a4996bc92a2
14b1c8b98b0bb
1558bc56b820d
hex2edf8b3b3ad

3221103031213 has 2 divisors, whose sum is σ = 3221103031214. Its totient is φ = 3221103031212.

The previous prime is 3221103031169. The next prime is 3221103031219. The reversal of 3221103031213 is 3121303011223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3032258030244 + 188845000969 = 1741338^2 + 434563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3221103031213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3221103031219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610551515606 + 1610551515607.

It is an arithmetic number, because the mean of its divisors is an integer number (1610551515607).

Almost surely, 23221103031213 is an apocalyptic number.

It is an amenable number.

3221103031213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221103031213 is an equidigital number, since it uses as much as digits as its factorization.

3221103031213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3221103031213 its reverse (3121303011223), we get a palindrome (6342406042436).

The spelling of 3221103031213 in words is "three trillion, two hundred twenty-one billion, one hundred three million, thirty-one thousand, two hundred thirteen".