Search a number
-
+
1020323471 is a prime number
BaseRepresentation
bin111100110100001…
…110011010001111
32122002220210200012
4330310032122033
54042200322341
6245125023435
734166414666
oct7464163217
92562823605
101020323471
11483a45142
12245854b7b
131335048cb
149971bddd
155e8980eb
hex3cd0e68f

1020323471 has 2 divisors, whose sum is σ = 1020323472. Its totient is φ = 1020323470.

The previous prime is 1020323467. The next prime is 1020323573. The reversal of 1020323471 is 1743230201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020323471 - 22 = 1020323467 is a prime.

It is a super-3 number, since 3×10203234713 (a number of 28 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020323411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510161735 + 510161736.

It is an arithmetic number, because the mean of its divisors is an integer number (510161736).

Almost surely, 21020323471 is an apocalyptic number.

1020323471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020323471 is an equidigital number, since it uses as much as digits as its factorization.

1020323471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1020323471 is about 31942.5025788525. The cubic root of 1020323471 is about 1006.7291078739.

Adding to 1020323471 its reverse (1743230201), we get a palindrome (2763553672).

The spelling of 1020323471 in words is "one billion, twenty million, three hundred twenty-three thousand, four hundred seventy-one".