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2103341221 is a prime number
BaseRepresentation
bin111110101011110…
…0111000010100101
312102120210210201201
41331113213002211
513301423404341
6544413522501
7103060051102
oct17527470245
95376723651
102103341221
1198a310433
124a84a3431
132769ba907
1415d4b9aa9
15c49c7331
hex7d5e70a5

2103341221 has 2 divisors, whose sum is σ = 2103341222. Its totient is φ = 2103341220.

The previous prime is 2103341161. The next prime is 2103341243. The reversal of 2103341221 is 1221433012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1892685025 + 210656196 = 43505^2 + 14514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2103341221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103341521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051670610 + 1051670611.

It is an arithmetic number, because the mean of its divisors is an integer number (1051670611).

Almost surely, 22103341221 is an apocalyptic number.

It is an amenable number.

2103341221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103341221 is an equidigital number, since it uses as much as digits as its factorization.

2103341221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2103341221 is about 45862.1981701706. The cubic root of 2103341221 is about 1281.2579635246.

Adding to 2103341221 its reverse (1221433012), we get a palindrome (3324774233).

The spelling of 2103341221 in words is "two billion, one hundred three million, three hundred forty-one thousand, two hundred twenty-one".