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3100913 is a prime number
BaseRepresentation
bin1011110101000011110001
312211112122122
423311003301
51243212123
6150244025
735233364
oct13650361
95745578
103100913
111828842
121056615
1384757a
145aa0db
15413bc8
hex2f50f1

3100913 has 2 divisors, whose sum is σ = 3100914. Its totient is φ = 3100912.

The previous prime is 3100873. The next prime is 3100927. The reversal of 3100913 is 3190013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2900209 + 200704 = 1703^2 + 448^2 .

It is a cyclic number.

It is not a de Polignac number, because 3100913 - 218 = 2838769 is a prime.

It is a super-2 number, since 2×31009132 = 19231322867138, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3100891 and 3100900.

It is not a weakly prime, because it can be changed into another prime (3100313) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550456 + 1550457.

It is an arithmetic number, because the mean of its divisors is an integer number (1550457).

Almost surely, 23100913 is an apocalyptic number.

It is an amenable number.

3100913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3100913 is an equidigital number, since it uses as much as digits as its factorization.

3100913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 3100913 is about 1760.9409416559. The cubic root of 3100913 is about 145.8242866406.

Adding to 3100913 its reverse (3190013), we get a palindrome (6290926).

The spelling of 3100913 in words is "three million, one hundred thousand, nine hundred thirteen".