1,300,000 or one million and three-hundred thousand. I'm not exactly sure what you mean by standard form.
323,100,000 three hundred and twenty-three million, one hundred thousand
Two million four hundred and nine thousand three hundred and sixteen in standard form is 2,409,316
One million, two hundred thousand, two hundred three.
The standard form is 8,300,053
The standard form is 6,003,305
The standard form is 3,200,520
Three million, two thousand, one hundred three.