Search a number
-
+
311041 is a prime number
BaseRepresentation
bin1001011111100000001
3120210200001
41023330001
534423131
610400001
72433553
oct1137401
9523601
10311041
111a2765
12130001
13ab763
14814d3
1562261
hex4bf01

311041 has 2 divisors, whose sum is σ = 311042. Its totient is φ = 311040.

The previous prime is 311033. The next prime is 311099. The reversal of 311041 is 140113.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246016 + 65025 = 496^2 + 255^2 .

It is a cyclic number.

It is not a de Polignac number, because 311041 - 23 = 311033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (311021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155520 + 155521.

It is an arithmetic number, because the mean of its divisors is an integer number (155521).

2311041 is an apocalyptic number.

It is an amenable number.

311041 is a deficient number, since it is larger than the sum of its proper divisors (1).

311041 is an equidigital number, since it uses as much as digits as its factorization.

311041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 311041 is about 557.7104983771. The cubic root of 311041 is about 67.7546666902.

Adding to 311041 its reverse (140113), we get a palindrome (451154).

The spelling of 311041 in words is "three hundred eleven thousand, forty-one", and thus it is an iban number.