31$ to rub July 8, 2019 16 32 64 128 31 rub to usd 31 rub to eur 31 rub to azn 31 rub to amd 31 rub to gel 31 aed to rub 31 byn to rub 31 gbp to rub 31 cad to rub 31 eur to rub 31 usdt to rub 31 pln to rub