Search a number
-
+
3210442121 is a prime number
BaseRepresentation
bin1011111101011011…
…0111010110001001
322021202000100122202
42333112313112021
523033333121441
61250322525545
7142362210365
oct27726672611
98252010582
103210442121
1113a8235757
127572068b5
133c21866c3
142265462a5
1513bcb219b
hexbf5b7589

3210442121 has 2 divisors, whose sum is σ = 3210442122. Its totient is φ = 3210442120.

The previous prime is 3210442099. The next prime is 3210442127. The reversal of 3210442121 is 1212440123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3207636496 + 2805625 = 56636^2 + 1675^2 .

It is an emirp because it is prime and its reverse (1212440123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3210442121 - 214 = 3210425737 is a prime.

It is a super-2 number, since 2×32104421212 = 20613877224581957282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3210442093 and 3210442102.

It is not a weakly prime, because it can be changed into another prime (3210442127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1605221060 + 1605221061.

It is an arithmetic number, because the mean of its divisors is an integer number (1605221061).

Almost surely, 23210442121 is an apocalyptic number.

It is an amenable number.

3210442121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3210442121 is an equidigital number, since it uses as much as digits as its factorization.

3210442121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3210442121 is about 56660.7635052688. The cubic root of 3210442121 is about 1475.2137384028.

Adding to 3210442121 its reverse (1212440123), we get a palindrome (4422882244).

The spelling of 3210442121 in words is "three billion, two hundred ten million, four hundred forty-two thousand, one hundred twenty-one".