In Tora
Thanks to DoubleAA, I understand a little better the OP.Baal keri status originally concern uncleanness and cleanness laws and not prayer or learning Torah;see Mishna Kelim 1, 1(semen makes unclean the person that touches it and the person from witch it originates). The verses cited above in the OP are part of those laws.A large number of verses matters laws of uncleanness-cleanness. There areperformative statements. You can see also that "Sifrey Mitsvot" include him in the 613. But it must be carefully examined. I will quote one excerpts from verses and from Sefer Hachinuch: A verse(numbers 19, 19) says:
And the clean person shall sprinkle upon the unclean on the third day, and on the seventh day; and on the seventh day he shall purify him; and he shall wash his clothes, and bathe himself in water, and shall be clean at evenChinuch 399 שנצטוינו בדיני מי נדה, כלומר, בדיני מי הזיה, דהינו מים חיים מערבים באפר פרה, שמזין בהם על הטמאיםWe were ordained to follow laws...,There is a machloket between Rambam and Ramban if we should count laws of cleanness-uncleanness among the 613. So the majority of this laws says: in order to become clean, he shall bathe all hisflesh in water...