Search a number
-
+
20312324003 is a prime number
BaseRepresentation
bin10010111010101101…
…010111011110100011
31221102121012222020102
4102322231113132203
5313044423332003
613155323333015
71316233622336
oct227255273643
957377188212
1020312324003
118683860734
123b2a68116b
131bb92cc03a
14da998661d
157dd3b1588
hex4bab577a3

20312324003 has 2 divisors, whose sum is σ = 20312324004. Its totient is φ = 20312324002.

The previous prime is 20312323991. The next prime is 20312324009. The reversal of 20312324003 is 30042321302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20312324003 - 218 = 20312061859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20312324009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156162001 + 10156162002.

It is an arithmetic number, because the mean of its divisors is an integer number (10156162002).

Almost surely, 220312324003 is an apocalyptic number.

20312324003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312324003 is an equidigital number, since it uses as much as digits as its factorization.

20312324003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20312324003 its reverse (30042321302), we get a palindrome (50354645305).

The spelling of 20312324003 in words is "twenty billion, three hundred twelve million, three hundred twenty-four thousand, three".